21354584170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125615201}}^1$

素因数の和:125615225

約数の個数: 16

約数和(自身を含む): 40699325448

約数和(自身を除く): 19344741278

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125615201, 251230402, 628076005, 1256152010, 2135458417, 4270916834, 10677292085, 21354584170]

約数ペア:

[(1, 21354584170), (2, 10677292085), (5, 4270916834), (10, 2135458417), (17, 1256152010), (34, 628076005), (85, 251230402), (170, 125615201)]