21615246

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{38737}}^1$

素因数の和:38776

約数の個数: 24

約数和(自身を含む): 48345024

約数和(自身を除く): 26729778

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 38737, 77474, 116211, 232422, 348633, 697266, 1200847, 2401694, 3602541, 7205082, 10807623, 21615246]

約数ペア:

[(1, 21615246), (2, 10807623), (3, 7205082), (6, 3602541), (9, 2401694), (18, 1200847), (31, 697266), (62, 348633), (93, 232422), (186, 116211), (279, 77474), (558, 38737)]