21249105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45697}}^1$

素因数の和:45736

約数の個数: 16

約数和(自身を含む): 35096064

約数和(自身を除く): 13846959

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45697, 137091, 228485, 685455, 1416607, 4249821, 7083035, 21249105]

約数ペア:

[(1, 21249105), (3, 7083035), (5, 4249821), (15, 1416607), (31, 685455), (93, 228485), (155, 137091), (465, 45697)]