21778770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55843}}^1$

素因数の和:55866

約数の個数: 32

約数和(自身を含む): 56290752

約数和(自身を除く): 34511982

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55843, 111686, 167529, 279215, 335058, 558430, 725959, 837645, 1451918, 1675290, 2177877, 3629795, 4355754, 7259590, 10889385, 21778770]

約数ペア:

[(1, 21778770), (2, 10889385), (3, 7259590), (5, 4355754), (6, 3629795), (10, 2177877), (13, 1675290), (15, 1451918), (26, 837645), (30, 725959), (39, 558430), (65, 335058), (78, 279215), (130, 167529), (195, 111686), (390, 55843)]