21091704

素因数分解:

$2^3\times 3^1\times {\mathrm{878821}}^1$

素因数の和:878830

約数の個数: 16

約数和(自身を含む): 52729320

約数和(自身を除く): 31637616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 878821, 1757642, 2636463, 3515284, 5272926, 7030568, 10545852, 21091704]

約数ペア:

[(1, 21091704), (2, 10545852), (3, 7030568), (4, 5272926), (6, 3515284), (8, 2636463), (12, 1757642), (24, 878821)]