21676017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 11870223

約数列:

[1, 3, 11, 19, 33, 57, 181, 191, 209, 543, 573, 627, 1991, 2101, 3439, 3629, 5973, 6303, 10317, 10887, 34571, 37829, 39919, 103713, 113487, 119757, 380281, 656849, 1140843, 1970547, 7225339, 21676017]

約数ペア:

[(1, 21676017), (3, 7225339), (11, 1970547), (19, 1140843), (33, 656849), (57, 380281), (181, 119757), (191, 113487), (209, 103713), (543, 39919), (573, 37829), (627, 34571), (1991, 10887), (2101, 10317), (3439, 6303), (3629, 5973)]