21037576

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7993}}^1$

素因数の和:8053

約数の個数: 32

約数和(自身を含む): 46045440

約数和(自身を除く): 25007864

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7993, 15986, 31972, 55951, 63944, 111902, 223804, 375671, 447608, 751342, 1502684, 2629697, 3005368, 5259394, 10518788, 21037576]

約数ペア:

[(1, 21037576), (2, 10518788), (4, 5259394), (7, 3005368), (8, 2629697), (14, 1502684), (28, 751342), (47, 447608), (56, 375671), (94, 223804), (188, 111902), (329, 63944), (376, 55951), (658, 31972), (1316, 15986), (2632, 7993)]