21174328

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3671}}^1$

素因数の和:3787

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 24652232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3671, 5768, 7342, 14684, 25697, 29368, 51394, 102788, 205576, 378113, 756226, 1512452, 2646791, 3024904, 5293582, 10587164, 21174328]

約数ペア:

[(1, 21174328), (2, 10587164), (4, 5293582), (7, 3024904), (8, 2646791), (14, 1512452), (28, 756226), (56, 378113), (103, 205576), (206, 102788), (412, 51394), (721, 29368), (824, 25697), (1442, 14684), (2884, 7342), (3671, 5768)]