21235548

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12917}}^1$

素因数の和:13061

約数の個数: 24

約数和(自身を含む): 49915152

約数和(自身を除く): 28679604

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12917, 25834, 38751, 51668, 77502, 155004, 1769629, 3539258, 5308887, 7078516, 10617774, 21235548]

約数ペア:

[(1, 21235548), (2, 10617774), (3, 7078516), (4, 5308887), (6, 3539258), (12, 1769629), (137, 155004), (274, 77502), (411, 51668), (548, 38751), (822, 25834), (1644, 12917)]