21303122

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 32519232

約数和(自身を除く): 11216110

約数列:

[1, 2, 101, 163, 202, 326, 647, 1294, 16463, 32926, 65347, 105461, 130694, 210922, 10651561, 21303122]

約数ペア:

[(1, 21303122), (2, 10651561), (101, 210922), (163, 130694), (202, 105461), (326, 65347), (647, 32926), (1294, 16463)]