21535776

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 44193888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 43, 47, 48, 72, 74, 86, 94, 96, 111, 129, 141, 144, 148, 172, 188, 222, 258, 282, 288, 296, 333, 344, 376, 387, 423, 444, 516, 564, 592, 666, 688, 752, 774, 846, 888, 1032, 1128, 1184, 1332, 1376, 1504, 1548, 1591, 1692, 1739, 1776, 2021, 2064, 2256, 2664, 3096, 3182, 3384, 3478, 3552, 4042, 4128, 4512, 4773, 5217, 5328, 6063, 6192, 6364, 6768, 6956, 8084, 9546, 10434, 10656, 12126, 12384, 12728, 13536, 13912, 14319, 15651, 16168, 18189, 19092, 20868, 24252, 25456, 27824, 28638, 31302, 32336, 36378, 38184, 41736, 48504, 50912, 55648, 57276, 62604, 64672, 72756, 74777, 76368, 83472, 97008, 114552, 125208, 145512, 149554, 152736, 166944, 194016, 224331, 229104, 250416, 291024, 299108, 448662, 458208, 500832, 582048, 598216, 672993, 897324, 1196432, 1345986, 1794648, 2392864, 2691972, 3589296, 5383944, 7178592, 10767888, 21535776]

約数ペア:

[(1, 21535776), (2, 10767888), (3, 7178592), (4, 5383944), (6, 3589296), (8, 2691972), (9, 2392864), (12, 1794648), (16, 1345986), (18, 1196432), (24, 897324), (32, 672993), (36, 598216), (37, 582048), (43, 500832), (47, 458208), (48, 448662), (72, 299108), (74, 291024), (86, 250416), (94, 229104), (96, 224331), (111, 194016), (129, 166944), (141, 152736), (144, 149554), (148, 145512), (172, 125208), (188, 114552), (222, 97008), (258, 83472), (282, 76368), (288, 74777), (296, 72756), (333, 64672), (344, 62604), (376, 57276), (387, 55648), (423, 50912), (444, 48504), (516, 41736), (564, 38184), (592, 36378), (666, 32336), (688, 31302), (752, 28638), (774, 27824), (846, 25456), (888, 24252), (1032, 20868), (1128, 19092), (1184, 18189), (1332, 16168), (1376, 15651), (1504, 14319), (1548, 13912), (1591, 13536), (1692, 12728), (1739, 12384), (1776, 12126), (2021, 10656), (2064, 10434), (2256, 9546), (2664, 8084), (3096, 6956), (3182, 6768), (3384, 6364), (3478, 6192), (3552, 6063), (4042, 5328), (4128, 5217), (4512, 4773)]