21369256

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30013}}^1$

素因数の和:30108

約数の個数: 16

約数和(自身を含む): 40518900

約数和(自身を除く): 19149644

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30013, 60026, 120052, 240104, 2671157, 5342314, 10684628, 21369256]

約数ペア:

[(1, 21369256), (2, 10684628), (4, 5342314), (8, 2671157), (89, 240104), (178, 120052), (356, 60026), (712, 30013)]