21124012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 45948672

約数和(自身を除く): 24824660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 443, 524, 886, 917, 1703, 1772, 1834, 3101, 3406, 3668, 5759, 6202, 6812, 11518, 11921, 12404, 23036, 23842, 40313, 47684, 58033, 80626, 116066, 161252, 232132, 406231, 754429, 812462, 1508858, 1624924, 3017716, 5281003, 10562006, 21124012]

約数ペア:

[(1, 21124012), (2, 10562006), (4, 5281003), (7, 3017716), (13, 1624924), (14, 1508858), (26, 812462), (28, 754429), (52, 406231), (91, 232132), (131, 161252), (182, 116066), (262, 80626), (364, 58033), (443, 47684), (524, 40313), (886, 23842), (917, 23036), (1703, 12404), (1772, 11921), (1834, 11518), (3101, 6812), (3406, 6202), (3668, 5759)]