21129072

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11897}}^1$

素因数の和:11945

約数の個数: 40

約数和(自身を含む): 56063376

約数和(自身を除く): 34934304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11897, 23794, 35691, 47588, 71382, 95176, 142764, 190352, 285528, 440189, 571056, 880378, 1320567, 1760756, 2641134, 3521512, 5282268, 7043024, 10564536, 21129072]

約数ペア:

[(1, 21129072), (2, 10564536), (3, 7043024), (4, 5282268), (6, 3521512), (8, 2641134), (12, 1760756), (16, 1320567), (24, 880378), (37, 571056), (48, 440189), (74, 285528), (111, 190352), (148, 142764), (222, 95176), (296, 71382), (444, 47588), (592, 35691), (888, 23794), (1776, 11897)]