21165144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 71124480

約数和(自身を除く): 49959336

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 858, 881, 924, 1001, 1092, 1144, 1716, 1762, 1848, 2002, 2184, 2643, 3003, 3432, 3524, 4004, 5286, 6006, 6167, 7048, 8008, 9691, 10572, 11453, 12012, 12334, 18501, 19382, 21144, 22906, 24024, 24668, 29073, 34359, 37002, 38764, 45812, 49336, 58146, 67837, 68718, 74004, 77528, 80171, 91624, 116292, 125983, 135674, 137436, 148008, 160342, 203511, 232584, 240513, 251966, 271348, 274872, 320684, 377949, 407022, 481026, 503932, 542696, 641368, 755898, 814044, 881881, 962052, 1007864, 1511796, 1628088, 1763762, 1924104, 2645643, 3023592, 3527524, 5291286, 7055048, 10582572, 21165144]

約数ペア:

[(1, 21165144), (2, 10582572), (3, 7055048), (4, 5291286), (6, 3527524), (7, 3023592), (8, 2645643), (11, 1924104), (12, 1763762), (13, 1628088), (14, 1511796), (21, 1007864), (22, 962052), (24, 881881), (26, 814044), (28, 755898), (33, 641368), (39, 542696), (42, 503932), (44, 481026), (52, 407022), (56, 377949), (66, 320684), (77, 274872), (78, 271348), (84, 251966), (88, 240513), (91, 232584), (104, 203511), (132, 160342), (143, 148008), (154, 137436), (156, 135674), (168, 125983), (182, 116292), (231, 91624), (264, 80171), (273, 77528), (286, 74004), (308, 68718), (312, 67837), (364, 58146), (429, 49336), (462, 45812), (546, 38764), (572, 37002), (616, 34359), (728, 29073), (858, 24668), (881, 24024), (924, 22906), (1001, 21144), (1092, 19382), (1144, 18501), (1716, 12334), (1762, 12012), (1848, 11453), (2002, 10572), (2184, 9691), (2643, 8008), (3003, 7048), (3432, 6167), (3524, 6006), (4004, 5286)]