21261168

素因数分解:

$2^4\times 3^2\times {\mathrm{147647}}^1$

素因数の和:147661

約数の個数: 30

約数和(自身を含む): 59502144

約数和(自身を除く): 38240976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147647, 295294, 442941, 590588, 885882, 1181176, 1328823, 1771764, 2362352, 2657646, 3543528, 5315292, 7087056, 10630584, 21261168]

約数ペア:

[(1, 21261168), (2, 10630584), (3, 7087056), (4, 5315292), (6, 3543528), (8, 2657646), (9, 2362352), (12, 1771764), (16, 1328823), (18, 1181176), (24, 885882), (36, 590588), (48, 442941), (72, 295294), (144, 147647)]