21315072

素因数分解:

$2^9\times 3^1\times {\mathrm{13877}}^1$

素因数の和:13898

約数の個数: 40

約数和(自身を含む): 56788776

約数和(自身を除く): 35473704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13877, 27754, 41631, 55508, 83262, 111016, 166524, 222032, 333048, 444064, 666096, 888128, 1332192, 1776256, 2664384, 3552512, 5328768, 7105024, 10657536, 21315072]

約数ペア:

[(1, 21315072), (2, 10657536), (3, 7105024), (4, 5328768), (6, 3552512), (8, 2664384), (12, 1776256), (16, 1332192), (24, 888128), (32, 666096), (48, 444064), (64, 333048), (96, 222032), (128, 166524), (192, 111016), (256, 83262), (384, 55508), (512, 41631), (768, 27754), (1536, 13877)]