21096290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 41332032

約数和(自身を除く): 20235742

約数列:

[1, 2, 5, 10, 23, 37, 46, 67, 74, 115, 134, 185, 230, 335, 370, 670, 851, 1369, 1541, 1702, 2479, 2738, 3082, 4255, 4958, 6845, 7705, 8510, 12395, 13690, 15410, 24790, 31487, 57017, 62974, 91723, 114034, 157435, 183446, 285085, 314870, 458615, 570170, 917230, 2109629, 4219258, 10548145, 21096290]

約数ペア:

[(1, 21096290), (2, 10548145), (5, 4219258), (10, 2109629), (23, 917230), (37, 570170), (46, 458615), (67, 314870), (74, 285085), (115, 183446), (134, 157435), (185, 114034), (230, 91723), (335, 62974), (370, 57017), (670, 31487), (851, 24790), (1369, 15410), (1541, 13690), (1702, 12395), (2479, 8510), (2738, 7705), (3082, 6845), (4255, 4958)]