21318084

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11173}}^1$

素因数の和:11236

約数の個数: 36

約数和(自身を含む): 54909036

約数和(自身を除く): 33590952

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11173, 22346, 33519, 44692, 67038, 100557, 134076, 201114, 402228, 592169, 1184338, 1776507, 2368676, 3553014, 5329521, 7106028, 10659042, 21318084]

約数ペア:

[(1, 21318084), (2, 10659042), (3, 7106028), (4, 5329521), (6, 3553014), (9, 2368676), (12, 1776507), (18, 1184338), (36, 592169), (53, 402228), (106, 201114), (159, 134076), (212, 100557), (318, 67038), (477, 44692), (636, 33519), (954, 22346), (1908, 11173)]