21288133

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{419}}^1$

素因数の和:536

約数の個数: 12

約数和(自身を含む): 22750560

約数和(自身を除く): 1462427

約数列:

[1, 23, 47, 419, 1081, 2209, 9637, 19693, 50807, 452939, 925571, 21288133]

約数ペア:

[(1, 21288133), (23, 925571), (47, 452939), (419, 50807), (1081, 19693), (2209, 9637)]