21695576

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8243}}^1$

素因数の和:8303

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 25789864

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8243, 16486, 32972, 57701, 65944, 115402, 230804, 387421, 461608, 774842, 1549684, 2711947, 3099368, 5423894, 10847788, 21695576]

約数ペア:

[(1, 21695576), (2, 10847788), (4, 5423894), (7, 3099368), (8, 2711947), (14, 1549684), (28, 774842), (47, 461608), (56, 387421), (94, 230804), (188, 115402), (329, 65944), (376, 57701), (658, 32972), (1316, 16486), (2632, 8243)]