21277942

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17077}}^1$

素因数の和:17175

約数の個数: 16

約数和(自身を含む): 36888480

約数和(自身を除く): 15610538

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17077, 34154, 119539, 239078, 1519853, 3039706, 10638971, 21277942]

約数ペア:

[(1, 21277942), (2, 10638971), (7, 3039706), (14, 1519853), (89, 239078), (178, 119539), (623, 34154), (1246, 17077)]