21031778250

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7297}}^1$

素因数の和:7391

約数の個数: 256

約数和(自身を含む): 67762805760

約数和(自身を除く): 46731027510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 61, 63, 70, 75, 90, 105, 122, 125, 126, 135, 150, 175, 183, 189, 210, 225, 250, 270, 305, 315, 350, 366, 375, 378, 427, 450, 525, 549, 610, 630, 675, 750, 854, 875, 915, 945, 1050, 1098, 1125, 1281, 1350, 1525, 1575, 1647, 1750, 1830, 1890, 2135, 2250, 2562, 2625, 2745, 3050, 3150, 3294, 3375, 3843, 4270, 4575, 4725, 5250, 5490, 6405, 6750, 7297, 7625, 7686, 7875, 8235, 9150, 9450, 10675, 11529, 12810, 13725, 14594, 15250, 15750, 16470, 19215, 21350, 21891, 22875, 23058, 23625, 27450, 32025, 36485, 38430, 41175, 43782, 45750, 47250, 51079, 53375, 57645, 64050, 65673, 68625, 72970, 82350, 96075, 102158, 106750, 109455, 115290, 131346, 137250, 153237, 160125, 182425, 192150, 197019, 205875, 218910, 255395, 288225, 306474, 320250, 328365, 364850, 394038, 411750, 445117, 459711, 480375, 510790, 547275, 576450, 656730, 766185, 890234, 912125, 919422, 960750, 985095, 1094550, 1276975, 1335351, 1379133, 1441125, 1532370, 1641825, 1824250, 1970190, 2225585, 2298555, 2553950, 2670702, 2736375, 2758266, 2882250, 3115819, 3283650, 3830925, 4006053, 4451170, 4597110, 4925475, 5472750, 6231638, 6384875, 6676755, 6895665, 7661850, 8012106, 8209125, 9347457, 9850950, 11127925, 11492775, 12018159, 12769750, 13353510, 13791330, 15579095, 16418250, 18694914, 19154625, 20030265, 22255850, 22985550, 24036318, 24627375, 28042371, 31158190, 33383775, 34478325, 38309250, 40060530, 46737285, 49254750, 55639625, 56084742, 57463875, 60090795, 66767550, 68956650, 77895475, 84127113, 93474570, 100151325, 111279250, 114927750, 120181590, 140211855, 155790950, 166918875, 168254226, 172391625, 200302650, 233686425, 280423710, 300453975, 333837750, 344783250, 389477375, 420635565, 467372850, 500756625, 600907950, 701059275, 778954750, 841271130, 1001513250, 1168432125, 1402118550, 1502269875, 2103177825, 2336864250, 3004539750, 3505296375, 4206355650, 7010592750, 10515889125, 21031778250]

約数ペア:

[(1, 21031778250), (2, 10515889125), (3, 7010592750), (5, 4206355650), (6, 3505296375), (7, 3004539750), (9, 2336864250), (10, 2103177825), (14, 1502269875), (15, 1402118550), (18, 1168432125), (21, 1001513250), (25, 841271130), (27, 778954750), (30, 701059275), (35, 600907950), (42, 500756625), (45, 467372850), (50, 420635565), (54, 389477375), (61, 344783250), (63, 333837750), (70, 300453975), (75, 280423710), (90, 233686425), (105, 200302650), (122, 172391625), (125, 168254226), (126, 166918875), (135, 155790950), (150, 140211855), (175, 120181590), (183, 114927750), (189, 111279250), (210, 100151325), (225, 93474570), (250, 84127113), (270, 77895475), (305, 68956650), (315, 66767550), (350, 60090795), (366, 57463875), (375, 56084742), (378, 55639625), (427, 49254750), (450, 46737285), (525, 40060530), (549, 38309250), (610, 34478325), (630, 33383775), (675, 31158190), (750, 28042371), (854, 24627375), (875, 24036318), (915, 22985550), (945, 22255850), (1050, 20030265), (1098, 19154625), (1125, 18694914), (1281, 16418250), (1350, 15579095), (1525, 13791330), (1575, 13353510), (1647, 12769750), (1750, 12018159), (1830, 11492775), (1890, 11127925), (2135, 9850950), (2250, 9347457), (2562, 8209125), (2625, 8012106), (2745, 7661850), (3050, 6895665), (3150, 6676755), (3294, 6384875), (3375, 6231638), (3843, 5472750), (4270, 4925475), (4575, 4597110), (4725, 4451170), (5250, 4006053), (5490, 3830925), (6405, 3283650), (6750, 3115819), (7297, 2882250), (7625, 2758266), (7686, 2736375), (7875, 2670702), (8235, 2553950), (9150, 2298555), (9450, 2225585), (10675, 1970190), (11529, 1824250), (12810, 1641825), (13725, 1532370), (14594, 1441125), (15250, 1379133), (15750, 1335351), (16470, 1276975), (19215, 1094550), (21350, 985095), (21891, 960750), (22875, 919422), (23058, 912125), (23625, 890234), (27450, 766185), (32025, 656730), (36485, 576450), (38430, 547275), (41175, 510790), (43782, 480375), (45750, 459711), (47250, 445117), (51079, 411750), (53375, 394038), (57645, 364850), (64050, 328365), (65673, 320250), (68625, 306474), (72970, 288225), (82350, 255395), (96075, 218910), (102158, 205875), (106750, 197019), (109455, 192150), (115290, 182425), (131346, 160125), (137250, 153237)]