21010372

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 16729148

約数列:

[1, 2, 4, 59, 118, 127, 236, 254, 508, 701, 1402, 2804, 7493, 14986, 29972, 41359, 82718, 89027, 165436, 178054, 356108, 5252593, 10505186, 21010372]

約数ペア:

[(1, 21010372), (2, 10505186), (4, 5252593), (59, 356108), (118, 178054), (127, 165436), (236, 89027), (254, 82718), (508, 41359), (701, 29972), (1402, 14986), (2804, 7493)]