21450784

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{6637}}^1$

素因数の和:6748

約数の個数: 24

約数和(自身を含む): 42655788

約数和(自身を除く): 21205004

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 6637, 13274, 26548, 53096, 106192, 212384, 670337, 1340674, 2681348, 5362696, 10725392, 21450784]

約数ペア:

[(1, 21450784), (2, 10725392), (4, 5362696), (8, 2681348), (16, 1340674), (32, 670337), (101, 212384), (202, 106192), (404, 53096), (808, 26548), (1616, 13274), (3232, 6637)]