21559186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51577}}^1$

素因数の和:51609

約数の個数: 16

約数和(自身を含む): 37136160

約数和(自身を除く): 15576974

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51577, 103154, 567347, 979963, 1134694, 1959926, 10779593, 21559186]

約数ペア:

[(1, 21559186), (2, 10779593), (11, 1959926), (19, 1134694), (22, 979963), (38, 567347), (209, 103154), (418, 51577)]