21631442

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2143}}^1$

素因数の和:2262

約数の個数: 24

約数和(自身を含む): 38128896

約数和(自身を除く): 16497454

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2143, 4286, 5047, 10094, 15001, 30002, 105007, 210014, 220729, 441458, 1545103, 3090206, 10815721, 21631442]

約数ペア:

[(1, 21631442), (2, 10815721), (7, 3090206), (14, 1545103), (49, 441458), (98, 220729), (103, 210014), (206, 105007), (721, 30002), (1442, 15001), (2143, 10094), (4286, 5047)]