21582605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 30699648

約数和(自身を除く): 9117043

約数列:

[1, 5, 11, 17, 41, 55, 85, 187, 205, 451, 563, 697, 935, 2255, 2815, 3485, 6193, 7667, 9571, 23083, 30965, 38335, 47855, 105281, 115415, 253913, 392411, 526405, 1269565, 1962055, 4316521, 21582605]

約数ペア:

[(1, 21582605), (5, 4316521), (11, 1962055), (17, 1269565), (41, 526405), (55, 392411), (85, 253913), (187, 115415), (205, 105281), (451, 47855), (563, 38335), (697, 30965), (935, 23083), (2255, 9571), (2815, 7667), (3485, 6193)]