21964901

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1409}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 26801280

約数和(自身を除く): 4836379

約数列:

[1, 7, 17, 119, 131, 917, 1409, 2227, 9863, 15589, 23953, 167671, 184579, 1292053, 3137843, 21964901]

約数ペア:

[(1, 21964901), (7, 3137843), (17, 1292053), (119, 184579), (131, 167671), (917, 23953), (1409, 15589), (2227, 9863)]