21374763

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5903}}^1$

素因数の和:5994

約数の個数: 16

約数和(自身を含む): 30606336

約数和(自身を除く): 9231573

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5903, 17709, 100351, 301053, 419113, 1257339, 7124921, 21374763]

約数ペア:

[(1, 21374763), (3, 7124921), (17, 1257339), (51, 419113), (71, 301053), (213, 100351), (1207, 17709), (3621, 5903)]