21478428

素因数分解:

$2^2\times 3^2\times {\mathrm{596623}}^1$

素因数の和:596633

約数の個数: 18

約数和(自身を含む): 54292784

約数和(自身を除く): 32814356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 596623, 1193246, 1789869, 2386492, 3579738, 5369607, 7159476, 10739214, 21478428]

約数ペア:

[(1, 21478428), (2, 10739214), (3, 7159476), (4, 5369607), (6, 3579738), (9, 2386492), (12, 1789869), (18, 1193246), (36, 596623)]