21958308

素因数分解:

$2^2\times 3^2\times {\mathrm{727}}^1\times {\mathrm{839}}^1$

素因数の和:1576

約数の個数: 36

約数和(自身を含む): 55648320

約数和(自身を除く): 33690012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 727, 839, 1454, 1678, 2181, 2517, 2908, 3356, 4362, 5034, 6543, 7551, 8724, 10068, 13086, 15102, 26172, 30204, 609953, 1219906, 1829859, 2439812, 3659718, 5489577, 7319436, 10979154, 21958308]

約数ペア:

[(1, 21958308), (2, 10979154), (3, 7319436), (4, 5489577), (6, 3659718), (9, 2439812), (12, 1829859), (18, 1219906), (36, 609953), (727, 30204), (839, 26172), (1454, 15102), (1678, 13086), (2181, 10068), (2517, 8724), (2908, 7551), (3356, 6543), (4362, 5034)]