21025001917920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1411559}}^1$

素因数の和:1411639

約数の個数: 768

約数和(自身を含む): 91791059189760

約数和(自身を除く): 70766057271840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 31, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 62, 65, 66, 70, 77, 78, 80, 84, 88, 91, 93, 96, 104, 105, 110, 112, 120, 124, 130, 132, 140, 143, 154, 155, 156, 160, 165, 168, 176, 182, 186, 195, 208, 210, 217, 220, 224, 231, 240, 248, 260, 264, 273, 280, 286, 308, 310, 312, 330, 336, 341, 352, 364, 372, 385, 390, 403, 416, 420, 429, 434, 440, 455, 462, 465, 480, 496, 520, 528, 546, 560, 572, 616, 620, 624, 651, 660, 672, 682, 715, 728, 744, 770, 780, 806, 840, 858, 868, 880, 910, 924, 930, 992, 1001, 1023, 1040, 1056, 1085, 1092, 1120, 1144, 1155, 1209, 1232, 1240, 1248, 1302, 1320, 1364, 1365, 1430, 1456, 1488, 1540, 1560, 1612, 1680, 1705, 1716, 1736, 1760, 1820, 1848, 1860, 2002, 2015, 2046, 2080, 2145, 2170, 2184, 2288, 2310, 2387, 2418, 2464, 2480, 2604, 2640, 2728, 2730, 2821, 2860, 2912, 2976, 3003, 3080, 3120, 3224, 3255, 3360, 3410, 3432, 3472, 3640, 3696, 3720, 4004, 4030, 4092, 4290, 4340, 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5256250479480, 7008333972640, 10512500958960, 21025001917920]

約数ペア:

[(1, 21025001917920), (2, 10512500958960), (3, 7008333972640), (4, 5256250479480), (5, 4205000383584), (6, 3504166986320), (7, 3003571702560), (8, 2628125239740), (10, 2102500191792), (11, 1911363810720), (12, 1752083493160), (13, 1617307839840), (14, 1501785851280), (15, 1401666794528), (16, 1314062619870), (20, 1051250095896), (21, 1001190567520), (22, 955681905360), (24, 876041746580), (26, 808653919920), (28, 750892925640), (30, 700833397264), (31, 678225868320), (32, 657031309935), (33, 637121270240), (35, 600714340512), (39, 539102613280), (40, 525625047948), (42, 500595283760), (44, 477840952680), (48, 438020873290), (52, 404326959960), (55, 382272762144), (56, 375446462820), (60, 350416698632), (62, 339112934160), (65, 323461567968), (66, 318560635120), (70, 300357170256), (77, 273051972960), (78, 269551306640), (80, 262812523974), (84, 250297641880), (88, 238920476340), (91, 231043977120), (93, 226075289440), (96, 219010436645), (104, 202163479980), (105, 200238113504), (110, 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