21823438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6311}}^1$

素因数の和:6352

約数の個数: 32

約数和(自身を含む): 42416640

約数和(自身を除く): 20593202

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6311, 12622, 44177, 82043, 88354, 119909, 164086, 239818, 574301, 839363, 1148602, 1558817, 1678726, 3117634, 10911719, 21823438]

約数ペア:

[(1, 21823438), (2, 10911719), (7, 3117634), (13, 1678726), (14, 1558817), (19, 1148602), (26, 839363), (38, 574301), (91, 239818), (133, 164086), (182, 119909), (247, 88354), (266, 82043), (494, 44177), (1729, 12622), (3458, 6311)]