21162756

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 52629696

約数和(自身を除く): 31466940

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 227, 454, 457, 681, 908, 914, 1362, 1371, 1828, 2724, 2742, 3859, 5484, 7718, 7769, 11577, 15436, 15538, 23154, 23307, 31076, 46308, 46614, 93228, 103739, 207478, 311217, 414956, 622434, 1244868, 1763563, 3527126, 5290689, 7054252, 10581378, 21162756]

約数ペア:

[(1, 21162756), (2, 10581378), (3, 7054252), (4, 5290689), (6, 3527126), (12, 1763563), (17, 1244868), (34, 622434), (51, 414956), (68, 311217), (102, 207478), (204, 103739), (227, 93228), (454, 46614), (457, 46308), (681, 31076), (908, 23307), (914, 23154), (1362, 15538), (1371, 15436), (1828, 11577), (2724, 7769), (2742, 7718), (3859, 5484)]