21741070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4079}}^1$

素因数の和:4140

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 21441650

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 4079, 5330, 8158, 20395, 40790, 53027, 106054, 167239, 265135, 334478, 530270, 836195, 1672390, 2174107, 4348214, 10870535, 21741070]

約数ペア:

[(1, 21741070), (2, 10870535), (5, 4348214), (10, 2174107), (13, 1672390), (26, 836195), (41, 530270), (65, 334478), (82, 265135), (130, 167239), (205, 106054), (410, 53027), (533, 40790), (1066, 20395), (2665, 8158), (4079, 5330)]