21286096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{102337}}^1$

素因数の和:102358

約数の個数: 20

約数和(自身を含む): 44414692

約数和(自身を除く): 23128596

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 102337, 204674, 409348, 818696, 1330381, 1637392, 2660762, 5321524, 10643048, 21286096]

約数ペア:

[(1, 21286096), (2, 10643048), (4, 5321524), (8, 2660762), (13, 1637392), (16, 1330381), (26, 818696), (52, 409348), (104, 204674), (208, 102337)]