21911648

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5659}}^1$

素因数の和:5691

約数の個数: 36

約数和(自身を含む): 47425140

約数和(自身を除く): 25513492

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5659, 11318, 22636, 45272, 62249, 90544, 124498, 181088, 248996, 497992, 684739, 995984, 1369478, 1991968, 2738956, 5477912, 10955824, 21911648]

約数ペア:

[(1, 21911648), (2, 10955824), (4, 5477912), (8, 2738956), (11, 1991968), (16, 1369478), (22, 995984), (32, 684739), (44, 497992), (88, 248996), (121, 181088), (176, 124498), (242, 90544), (352, 62249), (484, 45272), (968, 22636), (1936, 11318), (3872, 5659)]