10721968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{39419}}^1$

素因数の和:39444

約数の個数: 20

約数和(自身を含む): 21996360

約数和(自身を除く): 11274392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 39419, 78838, 157676, 315352, 630704, 670123, 1340246, 2680492, 5360984, 10721968]

約数ペア:

[(1, 10721968), (2, 5360984), (4, 2680492), (8, 1340246), (16, 670123), (17, 630704), (34, 315352), (68, 157676), (136, 78838), (272, 39419)]