21425115

素因数分解:

$3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1471}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 34338816

約数和(自身を除く): 12913701

約数列:

[1, 3, 5, 15, 971, 1471, 2913, 4413, 4855, 7355, 14565, 22065, 1428341, 4285023, 7141705, 21425115]

約数ペア:

[(1, 21425115), (3, 7141705), (5, 4285023), (15, 1428341), (971, 22065), (1471, 14565), (2913, 7355), (4413, 4855)]