21173212

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 38228400

約数和(自身を除く): 17055188

約数列:

[1, 2, 4, 59, 73, 118, 146, 236, 292, 1229, 2458, 4307, 4916, 8614, 17228, 72511, 89717, 145022, 179434, 290044, 358868, 5293303, 10586606, 21173212]

約数ペア:

[(1, 21173212), (2, 10586606), (4, 5293303), (59, 358868), (73, 290044), (118, 179434), (146, 145022), (236, 89717), (292, 72511), (1229, 17228), (2458, 8614), (4307, 4916)]