21464552

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4817}}^1$

素因数の和:5380

約数の個数: 16

約数和(自身を含む): 40326660

約数和(自身を除く): 18862108

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4817, 9634, 19268, 38536, 2683069, 5366138, 10732276, 21464552]

約数ペア:

[(1, 21464552), (2, 10732276), (4, 5366138), (8, 2683069), (557, 38536), (1114, 19268), (2228, 9634), (4456, 4817)]