21234535

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19571}}^1$

素因数の和:19614

約数の個数: 16

約数和(自身を含む): 30062592

約数和(自身を除く): 8828057

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 19571, 97855, 136997, 606701, 684985, 3033505, 4246907, 21234535]

約数ペア:

[(1, 21234535), (5, 4246907), (7, 3033505), (31, 684985), (35, 606701), (155, 136997), (217, 97855), (1085, 19571)]