21722675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 29373120

約数和(自身を除く): 7650445

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 751, 1157, 2225, 3755, 5785, 9763, 18775, 28925, 48815, 66839, 244075, 334195, 868907, 1670975, 4344535, 21722675]

約数ペア:

[(1, 21722675), (5, 4344535), (13, 1670975), (25, 868907), (65, 334195), (89, 244075), (325, 66839), (445, 48815), (751, 28925), (1157, 18775), (2225, 9763), (3755, 5785)]