21918564

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6841}}^1$

素因数の和:6940

約数の個数: 36

約数和(自身を含む): 56035980

約数和(自身を除く): 34117416

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6841, 13682, 20523, 27364, 41046, 61569, 82092, 123138, 246276, 608849, 1217698, 1826547, 2435396, 3653094, 5479641, 7306188, 10959282, 21918564]

約数ペア:

[(1, 21918564), (2, 10959282), (3, 7306188), (4, 5479641), (6, 3653094), (9, 2435396), (12, 1826547), (18, 1217698), (36, 608849), (89, 246276), (178, 123138), (267, 82092), (356, 61569), (534, 41046), (801, 27364), (1068, 20523), (1602, 13682), (3204, 6841)]