21599792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79411}}^1$

素因数の和:79436

約数の個数: 20

約数和(自身を含む): 44311896

約数和(自身を除く): 22712104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79411, 158822, 317644, 635288, 1270576, 1349987, 2699974, 5399948, 10799896, 21599792]

約数ペア:

[(1, 21599792), (2, 10799896), (4, 5399948), (8, 2699974), (16, 1349987), (17, 1270576), (34, 635288), (68, 317644), (136, 158822), (272, 79411)]