21673080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 82948320

約数和(自身を除く): 61275240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 421, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 842, 858, 936, 990, 1144, 1170, 1263, 1287, 1320, 1430, 1560, 1684, 1716, 1980, 2105, 2145, 2340, 2526, 2574, 2860, 3368, 3432, 3789, 3960, 4210, 4290, 4631, 4680, 5052, 5148, 5473, 5720, 6315, 6435, 7578, 8420, 8580, 9262, 10104, 10296, 10946, 12630, 12870, 13893, 15156, 16419, 16840, 17160, 18524, 18945, 21892, 23155, 25260, 25740, 27365, 27786, 30312, 32838, 37048, 37890, 41679, 43784, 46310, 49257, 50520, 51480, 54730, 55572, 60203, 65676, 69465, 75780, 82095, 83358, 92620, 98514, 109460, 111144, 120406, 131352, 138930, 151560, 164190, 166716, 180609, 185240, 197028, 208395, 218920, 240812, 246285, 277860, 301015, 328380, 333432, 361218, 394056, 416790, 481624, 492570, 541827, 555720, 602030, 656760, 722436, 833580, 903045, 985140, 1083654, 1204060, 1444872, 1667160, 1806090, 1970280, 2167308, 2408120, 2709135, 3612180, 4334616, 5418270, 7224360, 10836540, 21673080]

約数ペア:

[(1, 21673080), (2, 10836540), (3, 7224360), (4, 5418270), (5, 4334616), (6, 3612180), (8, 2709135), (9, 2408120), (10, 2167308), (11, 1970280), (12, 1806090), (13, 1667160), (15, 1444872), (18, 1204060), (20, 1083654), (22, 985140), (24, 903045), (26, 833580), (30, 722436), (33, 656760), (36, 602030), (39, 555720), (40, 541827), (44, 492570), (45, 481624), (52, 416790), (55, 394056), (60, 361218), (65, 333432), (66, 328380), (72, 301015), (78, 277860), (88, 246285), (90, 240812), (99, 218920), (104, 208395), (110, 197028), (117, 185240), (120, 180609), (130, 166716), (132, 164190), (143, 151560), (156, 138930), (165, 131352), (180, 120406), (195, 111144), (198, 109460), (220, 98514), (234, 92620), (260, 83358), (264, 82095), (286, 75780), (312, 69465), (330, 65676), (360, 60203), (390, 55572), (396, 54730), (421, 51480), (429, 50520), (440, 49257), (468, 46310), (495, 43784), (520, 41679), (572, 37890), (585, 37048), (660, 32838), (715, 30312), (780, 27786), (792, 27365), (842, 25740), (858, 25260), (936, 23155), (990, 21892), (1144, 18945), (1170, 18524), (1263, 17160), (1287, 16840), (1320, 16419), (1430, 15156), (1560, 13893), (1684, 12870), (1716, 12630), (1980, 10946), (2105, 10296), (2145, 10104), (2340, 9262), (2526, 8580), (2574, 8420), (2860, 7578), (3368, 6435), (3432, 6315), (3789, 5720), (3960, 5473), (4210, 5148), (4290, 5052), (4631, 4680)]