21739188

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13829}}^1$

素因数の和:13967

約数の個数: 24

約数和(自身を含む): 51115680

約数和(自身を除く): 29376492

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13829, 27658, 41487, 55316, 82974, 165948, 1811599, 3623198, 5434797, 7246396, 10869594, 21739188]

約数ペア:

[(1, 21739188), (2, 10869594), (3, 7246396), (4, 5434797), (6, 3623198), (12, 1811599), (131, 165948), (262, 82974), (393, 55316), (524, 41487), (786, 27658), (1572, 13829)]