21202008

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3359}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 32020392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 3359, 6312, 6718, 10077, 13436, 20154, 26872, 40308, 80616, 883417, 1766834, 2650251, 3533668, 5300502, 7067336, 10601004, 21202008]

約数ペア:

[(1, 21202008), (2, 10601004), (3, 7067336), (4, 5300502), (6, 3533668), (8, 2650251), (12, 1766834), (24, 883417), (263, 80616), (526, 40308), (789, 26872), (1052, 20154), (1578, 13436), (2104, 10077), (3156, 6718), (3359, 6312)]