21357035

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12983}}^1$

素因数の和:13042

約数の個数: 16

約数和(自身を含む): 29915136

約数和(自身を除く): 8558101

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12983, 64915, 90881, 454405, 610201, 3051005, 4271407, 21357035]

約数ペア:

[(1, 21357035), (5, 4271407), (7, 3051005), (35, 610201), (47, 454405), (235, 90881), (329, 64915), (1645, 12983)]