21313020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3517}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 60284448

約数和(自身を除く): 38971428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3517, 6060, 7034, 10551, 14068, 17585, 21102, 35170, 42204, 52755, 70340, 105510, 211020, 355217, 710434, 1065651, 1420868, 1776085, 2131302, 3552170, 4262604, 5328255, 7104340, 10656510, 21313020]

約数ペア:

[(1, 21313020), (2, 10656510), (3, 7104340), (4, 5328255), (5, 4262604), (6, 3552170), (10, 2131302), (12, 1776085), (15, 1420868), (20, 1065651), (30, 710434), (60, 355217), (101, 211020), (202, 105510), (303, 70340), (404, 52755), (505, 42204), (606, 35170), (1010, 21102), (1212, 17585), (1515, 14068), (2020, 10551), (3030, 7034), (3517, 6060)]