21131022

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2521}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 46485504

約数和(自身を除く): 25354482

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 127, 254, 381, 762, 1397, 2521, 2794, 4191, 5042, 7563, 8382, 15126, 27731, 55462, 83193, 166386, 320167, 640334, 960501, 1921002, 3521837, 7043674, 10565511, 21131022]

約数ペア:

[(1, 21131022), (2, 10565511), (3, 7043674), (6, 3521837), (11, 1921002), (22, 960501), (33, 640334), (66, 320167), (127, 166386), (254, 83193), (381, 55462), (762, 27731), (1397, 15126), (2521, 8382), (2794, 7563), (4191, 5042)]