21276140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36683}}^1$

素因数の和:36721

約数の個数: 24

約数和(自身を含む): 46221840

約数和(自身を除く): 24945700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36683, 73366, 146732, 183415, 366830, 733660, 1063807, 2127614, 4255228, 5319035, 10638070, 21276140]

約数ペア:

[(1, 21276140), (2, 10638070), (4, 5319035), (5, 4255228), (10, 2127614), (20, 1063807), (29, 733660), (58, 366830), (116, 183415), (145, 146732), (290, 73366), (580, 36683)]