21875831439

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{919423}}^1$

素因数の和:919547

約数の個数: 32

約数和(自身を含む): 36718116864

約数和(自身を除く): 14842285425

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 23793, 919423, 2758269, 6435961, 10113653, 19307883, 30340959, 70795571, 94700569, 212386713, 284101707, 662903983, 1041706259, 1988711949, 3125118777, 7291943813, 21875831439]

約数ペア:

[(1, 21875831439), (3, 7291943813), (7, 3125118777), (11, 1988711949), (21, 1041706259), (33, 662903983), (77, 284101707), (103, 212386713), (231, 94700569), (309, 70795571), (721, 30340959), (1133, 19307883), (2163, 10113653), (3399, 6435961), (7931, 2758269), (23793, 919423)]