21442408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{206177}}^1$

素因数の和:206196

約数の個数: 16

約数和(自身を含む): 43297380

約数和(自身を除く): 21854972

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 206177, 412354, 824708, 1649416, 2680301, 5360602, 10721204, 21442408]

約数ペア:

[(1, 21442408), (2, 10721204), (4, 5360602), (8, 2680301), (13, 1649416), (26, 824708), (52, 412354), (104, 206177)]