21409233

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 29008896

約数和(自身を除く): 7599663

約数列:

[1, 3, 151, 167, 283, 453, 501, 849, 25217, 42733, 47261, 75651, 128199, 141783, 7136411, 21409233]

約数ペア:

[(1, 21409233), (3, 7136411), (151, 141783), (167, 128199), (283, 75651), (453, 47261), (501, 42733), (849, 25217)]