21491323254

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1931}}^1\times {\mathrm{2351}}^1$

素因数の和:4553

約数の個数: 48

約数和(自身を含む): 46785682944

約数和(自身を除く): 25294359690

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 1931, 2351, 2367, 3862, 4702, 4734, 5793, 7053, 11586, 14106, 17379, 21159, 34758, 42318, 507853, 618313, 1015706, 1236626, 1523559, 1854939, 3047118, 3709878, 4539781, 4570677, 5564817, 9079562, 9141354, 11129634, 13619343, 27238686, 40858029, 81716058, 1193962403, 2387924806, 3581887209, 7163774418, 10745661627, 21491323254]

約数ペア:

[(1, 21491323254), (2, 10745661627), (3, 7163774418), (6, 3581887209), (9, 2387924806), (18, 1193962403), (263, 81716058), (526, 40858029), (789, 27238686), (1578, 13619343), (1931, 11129634), (2351, 9141354), (2367, 9079562), (3862, 5564817), (4702, 4570677), (4734, 4539781), (5793, 3709878), (7053, 3047118), (11586, 1854939), (14106, 1523559), (17379, 1236626), (21159, 1015706), (34758, 618313), (42318, 507853)]