21137306404

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{7309}}^1\times {\mathrm{5519}}^1$

素因数の和:12963

約数の個数: 24

約数和(自身を含む): 37284508800

約数和(自身を除く): 16147202396

約数列:

[1, 2, 4, 131, 262, 524, 5519, 7309, 11038, 14618, 22076, 29236, 722989, 957479, 1445978, 1914958, 2891956, 3829916, 40338371, 80676742, 161353484, 5284326601, 10568653202, 21137306404]

約数ペア:

[(1, 21137306404), (2, 10568653202), (4, 5284326601), (131, 161353484), (262, 80676742), (524, 40338371), (5519, 3829916), (7309, 2891956), (11038, 1914958), (14618, 1445978), (22076, 957479), (29236, 722989)]