21422705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3448

約数の個数: 16

約数和(自身を含む): 27191808

約数和(自身を除く): 5769103

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3371, 6355, 16855, 104501, 138211, 522505, 691055, 4284541, 21422705]

約数ペア:

[(1, 21422705), (5, 4284541), (31, 691055), (41, 522505), (155, 138211), (205, 104501), (1271, 16855), (3371, 6355)]