21398132

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6763}}^1$

素因数の和:6887

約数の個数: 24

約数和(自身を含む): 43181376

約数和(自身を除く): 21783244

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6763, 13526, 27052, 47341, 94682, 189364, 764219, 1528438, 3056876, 5349533, 10699066, 21398132]

約数ペア:

[(1, 21398132), (2, 10699066), (4, 5349533), (7, 3056876), (14, 1528438), (28, 764219), (113, 189364), (226, 94682), (452, 47341), (791, 27052), (1582, 13526), (3164, 6763)]