21751432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{159937}}^1$

素因数の和:159960

約数の個数: 16

約数和(自身を含む): 43183260

約数和(自身を除く): 21431828

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 159937, 319874, 639748, 1279496, 2718929, 5437858, 10875716, 21751432]

約数ペア:

[(1, 21751432), (2, 10875716), (4, 5437858), (8, 2718929), (17, 1279496), (34, 639748), (68, 319874), (136, 159937)]