21076172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1129}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 39866400

約数和(自身を除く): 18790228

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1129, 1436, 2258, 4516, 4667, 9334, 14677, 18668, 29354, 58708, 405311, 810622, 1621244, 5269043, 10538086, 21076172]

約数ペア:

[(1, 21076172), (2, 10538086), (4, 5269043), (13, 1621244), (26, 810622), (52, 405311), (359, 58708), (718, 29354), (1129, 18668), (1436, 14677), (2258, 9334), (4516, 4667)]