21132018

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37871}}^1$

素因数の和:37910

約数の個数: 24

約数和(自身を含む): 47264256

約数和(自身を除く): 26132238

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37871, 75742, 113613, 227226, 340839, 681678, 1174001, 2348002, 3522003, 7044006, 10566009, 21132018]

約数ペア:

[(1, 21132018), (2, 10566009), (3, 7044006), (6, 3522003), (9, 2348002), (18, 1174001), (31, 681678), (62, 340839), (93, 227226), (186, 113613), (279, 75742), (558, 37871)]