21492464

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 47996928

約数和(自身を除く): 26504464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1511, 1778, 2032, 3022, 3556, 6044, 7112, 10577, 12088, 14224, 21154, 24176, 42308, 84616, 169232, 191897, 383794, 767588, 1343279, 1535176, 2686558, 3070352, 5373116, 10746232, 21492464]

約数ペア:

[(1, 21492464), (2, 10746232), (4, 5373116), (7, 3070352), (8, 2686558), (14, 1535176), (16, 1343279), (28, 767588), (56, 383794), (112, 191897), (127, 169232), (254, 84616), (508, 42308), (889, 24176), (1016, 21154), (1511, 14224), (1778, 12088), (2032, 10577), (3022, 7112), (3556, 6044)]