21125898

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3823}}^1$

素因数の和:4138

約数の個数: 24

約数和(自身を含む): 45933888

約数和(自身を除く): 24807990

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3823, 5526, 7646, 11469, 22938, 34407, 68814, 1173661, 2347322, 3520983, 7041966, 10562949, 21125898]

約数ペア:

[(1, 21125898), (2, 10562949), (3, 7041966), (6, 3520983), (9, 2347322), (18, 1173661), (307, 68814), (614, 34407), (921, 22938), (1842, 11469), (2763, 7646), (3823, 5526)]