21094552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 42292800

約数和(自身を除く): 21198248

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1423, 1853, 2846, 3706, 5692, 7412, 11384, 14824, 24191, 48382, 96764, 155107, 193528, 310214, 620428, 1240856, 2636819, 5273638, 10547276, 21094552]

約数ペア:

[(1, 21094552), (2, 10547276), (4, 5273638), (8, 2636819), (17, 1240856), (34, 620428), (68, 310214), (109, 193528), (136, 155107), (218, 96764), (436, 48382), (872, 24191), (1423, 14824), (1853, 11384), (2846, 7412), (3706, 5692)]