21409722

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25307}}^1$

素因数の和:25362

約数の個数: 24

約数和(自身を含む): 47376576

約数和(自身を除く): 25966854

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25307, 50614, 75921, 151842, 227763, 455526, 1189429, 2378858, 3568287, 7136574, 10704861, 21409722]

約数ペア:

[(1, 21409722), (2, 10704861), (3, 7136574), (6, 3568287), (9, 2378858), (18, 1189429), (47, 455526), (94, 227763), (141, 151842), (282, 75921), (423, 50614), (846, 25307)]