21523951

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 23170048

約数和(自身を除く): 1646097

約数列:

[1, 31, 43, 67, 241, 1333, 2077, 2881, 7471, 10363, 16147, 89311, 321253, 500557, 694321, 21523951]

約数ペア:

[(1, 21523951), (31, 694321), (43, 500557), (67, 321253), (241, 89311), (1333, 16147), (2077, 10363), (2881, 7471)]