21871070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4547}}^1$

素因数の和:4604

約数の個数: 32

約数和(自身を含む): 43551648

約数和(自身を除く): 21680578

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4547, 4810, 9094, 22735, 45470, 59111, 118222, 168239, 295555, 336478, 591110, 841195, 1682390, 2187107, 4374214, 10935535, 21871070]

約数ペア:

[(1, 21871070), (2, 10935535), (5, 4374214), (10, 2187107), (13, 1682390), (26, 841195), (37, 591110), (65, 336478), (74, 295555), (130, 168239), (185, 118222), (370, 59111), (481, 45470), (962, 22735), (2405, 9094), (4547, 4810)]