21031937100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2137

約数の個数: 216

約数和(自身を含む): 67179294000

約数和(自身を除く): 46147356900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 139, 150, 178, 180, 225, 267, 278, 300, 356, 417, 445, 450, 534, 556, 695, 801, 834, 890, 900, 1068, 1251, 1335, 1390, 1602, 1668, 1780, 1889, 2085, 2225, 2502, 2670, 2780, 3204, 3475, 3778, 4005, 4170, 4450, 5004, 5340, 5667, 6255, 6675, 6950, 7556, 8010, 8340, 8900, 9445, 10425, 11334, 12371, 12510, 13350, 13900, 16020, 17001, 18890, 20025, 20850, 22668, 24742, 25020, 26700, 28335, 31275, 34002, 37113, 37780, 40050, 41700, 47225, 49484, 56670, 61855, 62550, 68004, 74226, 80100, 85005, 94450, 111339, 113340, 123710, 125100, 141675, 148452, 168121, 170010, 185565, 188900, 222678, 247420, 262571, 283350, 309275, 336242, 340020, 371130, 425025, 445356, 504363, 525142, 556695, 566700, 618550, 672484, 742260, 787713, 840605, 850050, 927825, 1008726, 1050284, 1113390, 1237100, 1312855, 1513089, 1575426, 1681210, 1700100, 1855650, 2017452, 2226780, 2363139, 2521815, 2625710, 2783475, 3026178, 3150852, 3362420, 3711300, 3938565, 4203025, 4726278, 5043630, 5251420, 5566950, 6052356, 6564275, 7565445, 7877130, 8406050, 9452556, 10087260, 11133900, 11815695, 12609075, 13128550, 15130890, 15754260, 16812100, 19692825, 23368819, 23631390, 25218150, 26257100, 30261780, 37827225, 39385650, 46737638, 47262780, 50436300, 59078475, 70106457, 75654450, 78771300, 93475276, 116844095, 118156950, 140212914, 151308900, 210319371, 233688190, 236313900, 280425828, 350532285, 420638742, 467376380, 584220475, 701064570, 841277484, 1051596855, 1168440950, 1402129140, 1752661425, 2103193710, 2336881900, 3505322850, 4206387420, 5257984275, 7010645700, 10515968550, 21031937100]

約数ペア:

[(1, 21031937100), (2, 10515968550), (3, 7010645700), (4, 5257984275), (5, 4206387420), (6, 3505322850), (9, 2336881900), (10, 2103193710), (12, 1752661425), (15, 1402129140), (18, 1168440950), (20, 1051596855), (25, 841277484), (30, 701064570), (36, 584220475), (45, 467376380), (50, 420638742), (60, 350532285), (75, 280425828), (89, 236313900), (90, 233688190), (100, 210319371), (139, 151308900), (150, 140212914), (178, 118156950), (180, 116844095), (225, 93475276), (267, 78771300), (278, 75654450), (300, 70106457), (356, 59078475), (417, 50436300), (445, 47262780), (450, 46737638), (534, 39385650), (556, 37827225), (695, 30261780), (801, 26257100), (834, 25218150), (890, 23631390), (900, 23368819), (1068, 19692825), (1251, 16812100), (1335, 15754260), (1390, 15130890), (1602, 13128550), (1668, 12609075), (1780, 11815695), (1889, 11133900), (2085, 10087260), (2225, 9452556), (2502, 8406050), (2670, 7877130), (2780, 7565445), (3204, 6564275), (3475, 6052356), (3778, 5566950), (4005, 5251420), (4170, 5043630), (4450, 4726278), (5004, 4203025), (5340, 3938565), (5667, 3711300), (6255, 3362420), (6675, 3150852), (6950, 3026178), (7556, 2783475), (8010, 2625710), (8340, 2521815), (8900, 2363139), (9445, 2226780), (10425, 2017452), (11334, 1855650), (12371, 1700100), (12510, 1681210), (13350, 1575426), (13900, 1513089), (16020, 1312855), (17001, 1237100), (18890, 1113390), (20025, 1050284), (20850, 1008726), (22668, 927825), (24742, 850050), (25020, 840605), (26700, 787713), (28335, 742260), (31275, 672484), (34002, 618550), (37113, 566700), (37780, 556695), (40050, 525142), (41700, 504363), (47225, 445356), (49484, 425025), (56670, 371130), (61855, 340020), (62550, 336242), (68004, 309275), (74226, 283350), (80100, 262571), (85005, 247420), (94450, 222678), (111339, 188900), (113340, 185565), (123710, 170010), (125100, 168121), (141675, 148452)]