21968050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33797}}^1$

素因数の和:33822

約数の個数: 24

約数和(自身を含む): 44004996

約数和(自身を除く): 22036946

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33797, 67594, 168985, 337970, 439361, 844925, 878722, 1689850, 2196805, 4393610, 10984025, 21968050]

約数ペア:

[(1, 21968050), (2, 10984025), (5, 4393610), (10, 2196805), (13, 1689850), (25, 878722), (26, 844925), (50, 439361), (65, 337970), (130, 168985), (325, 67594), (650, 33797)]