21426034

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 40547520

約数和(自身を除く): 19121486

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 74, 98, 133, 259, 266, 311, 518, 622, 703, 931, 1406, 1813, 1862, 2177, 3626, 4354, 4921, 5909, 9842, 11507, 11818, 15239, 23014, 30478, 34447, 41363, 68894, 80549, 82726, 161098, 218633, 289541, 437266, 563843, 579082, 1127686, 1530431, 3060862, 10713017, 21426034]

約数ペア:

[(1, 21426034), (2, 10713017), (7, 3060862), (14, 1530431), (19, 1127686), (37, 579082), (38, 563843), (49, 437266), (74, 289541), (98, 218633), (133, 161098), (259, 82726), (266, 80549), (311, 68894), (518, 41363), (622, 34447), (703, 30478), (931, 23014), (1406, 15239), (1813, 11818), (1862, 11507), (2177, 9842), (3626, 5909), (4354, 4921)]