21360085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7253}}^1$

素因数の和:7308

約数の個数: 16

約数和(自身を含む): 27855360

約数和(自身を除く): 6495275

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 7253, 36265, 137807, 224843, 689035, 1124215, 4272017, 21360085]

約数ペア:

[(1, 21360085), (5, 4272017), (19, 1124215), (31, 689035), (95, 224843), (155, 137807), (589, 36265), (2945, 7253)]