13211821

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 16908480

約数和(自身を除く): 3696659

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 617, 931, 1127, 3059, 4319, 11723, 14191, 21413, 30233, 82061, 99337, 269629, 574427, 695359, 1887403, 13211821]

約数ペア:

[(1, 13211821), (7, 1887403), (19, 695359), (23, 574427), (49, 269629), (133, 99337), (161, 82061), (437, 30233), (617, 21413), (931, 14191), (1127, 11723), (3059, 4319)]