21170948

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{641}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 17657212

約数列:

[1, 2, 4, 23, 46, 92, 359, 641, 718, 1282, 1436, 2564, 8257, 14743, 16514, 29486, 33028, 58972, 230119, 460238, 920476, 5292737, 10585474, 21170948]

約数ペア:

[(1, 21170948), (2, 10585474), (4, 5292737), (23, 920476), (46, 460238), (92, 230119), (359, 58972), (641, 33028), (718, 29486), (1282, 16514), (1436, 14743), (2564, 8257)]