21352595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 30373056

約数和(自身を除く): 9020461

約数列:

[1, 5, 11, 17, 41, 55, 85, 187, 205, 451, 557, 697, 935, 2255, 2785, 3485, 6127, 7667, 9469, 22837, 30635, 38335, 47345, 104159, 114185, 251207, 388229, 520795, 1256035, 1941145, 4270519, 21352595]

約数ペア:

[(1, 21352595), (5, 4270519), (11, 1941145), (17, 1256035), (41, 520795), (55, 388229), (85, 251207), (187, 114185), (205, 104159), (451, 47345), (557, 38335), (697, 30635), (935, 22837), (2255, 9469), (2785, 7667), (3485, 6127)]