21271148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3037}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 39809952

約数和(自身を除く): 18538804

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 412, 1751, 3037, 3502, 6074, 7004, 12148, 51629, 103258, 206516, 312811, 625622, 1251244, 5317787, 10635574, 21271148]

約数ペア:

[(1, 21271148), (2, 10635574), (4, 5317787), (17, 1251244), (34, 625622), (68, 312811), (103, 206516), (206, 103258), (412, 51629), (1751, 12148), (3037, 7004), (3502, 6074)]