21930485

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{937}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 27374592

約数和(自身を除く): 5444107

約数列:

[1, 5, 31, 151, 155, 755, 937, 4681, 4685, 23405, 29047, 141487, 145235, 707435, 4386097, 21930485]

約数ペア:

[(1, 21930485), (5, 4386097), (31, 707435), (151, 145235), (155, 141487), (755, 29047), (937, 23405), (4681, 4685)]