21372462

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 48370608

約数和(自身を除く): 26998146

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 106, 129, 159, 258, 318, 387, 477, 521, 774, 954, 1042, 1563, 2279, 3126, 4558, 4689, 6837, 9378, 13674, 20511, 22403, 27613, 41022, 44806, 55226, 67209, 82839, 134418, 165678, 201627, 248517, 403254, 497034, 1187359, 2374718, 3562077, 7124154, 10686231, 21372462]

約数ペア:

[(1, 21372462), (2, 10686231), (3, 7124154), (6, 3562077), (9, 2374718), (18, 1187359), (43, 497034), (53, 403254), (86, 248517), (106, 201627), (129, 165678), (159, 134418), (258, 82839), (318, 67209), (387, 55226), (477, 44806), (521, 41022), (774, 27613), (954, 22403), (1042, 20511), (1563, 13674), (2279, 9378), (3126, 6837), (4558, 4689)]