21065238

素因数分解:

$2^1\times 3^3\times {\mathrm{390097}}^1$

素因数の和:390108

約数の個数: 16

約数和(自身を含む): 46811760

約数和(自身を除く): 25746522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390097, 780194, 1170291, 2340582, 3510873, 7021746, 10532619, 21065238]

約数ペア:

[(1, 21065238), (2, 10532619), (3, 7021746), (6, 3510873), (9, 2340582), (18, 1170291), (27, 780194), (54, 390097)]