21328002

素因数分解:

$2^1\times 3^3\times {\mathrm{394963}}^1$

素因数の和:394974

約数の個数: 16

約数和(自身を含む): 47395680

約数和(自身を除く): 26067678

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 394963, 789926, 1184889, 2369778, 3554667, 7109334, 10664001, 21328002]

約数ペア:

[(1, 21328002), (2, 10664001), (3, 7109334), (6, 3554667), (9, 2369778), (18, 1184889), (27, 789926), (54, 394963)]