21437565

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9103}}^1$

素因数の和:9268

約数の個数: 16

約数和(自身を含む): 34522368

約数和(自身を除く): 13084803

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 9103, 27309, 45515, 136545, 1429171, 4287513, 7145855, 21437565]

約数ペア:

[(1, 21437565), (3, 7145855), (5, 4287513), (15, 1429171), (157, 136545), (471, 45515), (785, 27309), (2355, 9103)]