21472115

素因数分解:

$5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2633}}^1$

素因数の和:2878

約数の個数: 16

約数和(自身を含む): 29585088

約数和(自身を除く): 8112973

約数列:

[1, 5, 7, 35, 233, 1165, 1631, 2633, 8155, 13165, 18431, 92155, 613489, 3067445, 4294423, 21472115]

約数ペア:

[(1, 21472115), (5, 4294423), (7, 3067445), (35, 613489), (233, 92155), (1165, 18431), (1631, 13165), (2633, 8155)]