21770502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279109}}^1$

素因数の和:279127

約数の個数: 16

約数和(自身を含む): 46890480

約数和(自身を除く): 25119978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279109, 558218, 837327, 1674654, 3628417, 7256834, 10885251, 21770502]

約数ペア:

[(1, 21770502), (2, 10885251), (3, 7256834), (6, 3628417), (13, 1674654), (26, 837327), (39, 558218), (78, 279109)]