21823580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64187}}^1$

素因数の和:64213

約数の個数: 24

約数和(自身を含む): 48526128

約数和(自身を除く): 26702548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 64187, 128374, 256748, 320935, 641870, 1091179, 1283740, 2182358, 4364716, 5455895, 10911790, 21823580]

約数ペア:

[(1, 21823580), (2, 10911790), (4, 5455895), (5, 4364716), (10, 2182358), (17, 1283740), (20, 1091179), (34, 641870), (68, 320935), (85, 256748), (170, 128374), (340, 64187)]