21450421

素因数分解:

${\mathrm{23}}^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:153

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 2056139

約数列:

[1, 23, 41, 43, 529, 943, 989, 1763, 12167, 21689, 22747, 40549, 498847, 523181, 932627, 21450421]

約数ペア:

[(1, 21450421), (23, 932627), (41, 523181), (43, 498847), (529, 40549), (943, 22747), (989, 21689), (1763, 12167)]