21715812

素因数分解:

$2^2\times 3^2\times {\mathrm{603217}}^1$

素因数の和:603227

約数の個数: 18

約数和(自身を含む): 54892838

約数和(自身を除く): 33177026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 603217, 1206434, 1809651, 2412868, 3619302, 5428953, 7238604, 10857906, 21715812]

約数ペア:

[(1, 21715812), (2, 10857906), (3, 7238604), (4, 5428953), (6, 3619302), (9, 2412868), (12, 1809651), (18, 1206434), (36, 603217)]