21369304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 44049600

約数和(自身を除く): 22680296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1747, 3058, 3494, 6116, 6988, 12232, 13976, 19217, 38434, 76868, 153736, 242833, 485666, 971332, 1942664, 2671163, 5342326, 10684652, 21369304]

約数ペア:

[(1, 21369304), (2, 10684652), (4, 5342326), (8, 2671163), (11, 1942664), (22, 971332), (44, 485666), (88, 242833), (139, 153736), (278, 76868), (556, 38434), (1112, 19217), (1529, 13976), (1747, 12232), (3058, 6988), (3494, 6116)]