21050835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2633}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 37171008

約数和(自身を除く): 16120173

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2633, 2665, 7899, 7995, 13165, 34229, 39495, 102687, 107953, 171145, 323859, 513435, 539765, 1403389, 1619295, 4210167, 7016945, 21050835]

約数ペア:

[(1, 21050835), (3, 7016945), (5, 4210167), (13, 1619295), (15, 1403389), (39, 539765), (41, 513435), (65, 323859), (123, 171145), (195, 107953), (205, 102687), (533, 39495), (615, 34229), (1599, 13165), (2633, 7995), (2665, 7899)]