21150617474

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{50441}}^1$

素因数の和:51002

約数の個数: 32

約数和(自身を含む): 36928386432

約数和(自身を除く): 15777768958

約数列:

[1, 2, 7, 14, 61, 122, 427, 491, 854, 982, 3437, 6874, 29951, 50441, 59902, 100882, 209657, 353087, 419314, 706174, 3076901, 6153802, 21538307, 24766531, 43076614, 49533062, 173365717, 346731434, 1510758391, 3021516782, 10575308737, 21150617474]

約数ペア:

[(1, 21150617474), (2, 10575308737), (7, 3021516782), (14, 1510758391), (61, 346731434), (122, 173365717), (427, 49533062), (491, 43076614), (854, 24766531), (982, 21538307), (3437, 6153802), (6874, 3076901), (29951, 706174), (50441, 419314), (59902, 353087), (100882, 209657)]