21382770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41927}}^1$

素因数の和:41954

約数の個数: 32

約数和(自身を含む): 54338688

約数和(自身を除く): 32955918

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41927, 83854, 125781, 209635, 251562, 419270, 628905, 712759, 1257810, 1425518, 2138277, 3563795, 4276554, 7127590, 10691385, 21382770]

約数ペア:

[(1, 21382770), (2, 10691385), (3, 7127590), (5, 4276554), (6, 3563795), (10, 2138277), (15, 1425518), (17, 1257810), (30, 712759), (34, 628905), (51, 419270), (85, 251562), (102, 209635), (170, 125781), (255, 83854), (510, 41927)]