21796970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1567}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 20877718

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1567, 2782, 3134, 6955, 7835, 13910, 15670, 20371, 40742, 101855, 167669, 203710, 335338, 838345, 1676690, 2179697, 4359394, 10898485, 21796970]

約数ペア:

[(1, 21796970), (2, 10898485), (5, 4359394), (10, 2179697), (13, 1676690), (26, 838345), (65, 335338), (107, 203710), (130, 167669), (214, 101855), (535, 40742), (1070, 20371), (1391, 15670), (1567, 13910), (2782, 7835), (3134, 6955)]