21643115858

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{278497}}^1$

素因数の和:278587

約数の個数: 48

約数和(自身を含む): 41336901144

約数和(自身を除く): 19693785286

約数列:

[1, 2, 7, 13, 14, 26, 49, 61, 91, 98, 122, 182, 427, 637, 793, 854, 1274, 1586, 2989, 5551, 5978, 11102, 38857, 77714, 278497, 556994, 1949479, 3620461, 3898958, 7240922, 13646353, 16988317, 25343227, 27292706, 33976634, 50686454, 118918219, 177402589, 220848121, 237836438, 354805178, 441696242, 832427533, 1545936847, 1664855066, 3091873694, 10821557929, 21643115858]

約数ペア:

[(1, 21643115858), (2, 10821557929), (7, 3091873694), (13, 1664855066), (14, 1545936847), (26, 832427533), (49, 441696242), (61, 354805178), (91, 237836438), (98, 220848121), (122, 177402589), (182, 118918219), (427, 50686454), (637, 33976634), (793, 27292706), (854, 25343227), (1274, 16988317), (1586, 13646353), (2989, 7240922), (5551, 3898958), (5978, 3620461), (11102, 1949479), (38857, 556994), (77714, 278497)]