21878045215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{12601}}^1\times {\mathrm{26711}}^1$

素因数の和:39330

約数の個数: 16

約数和(自身を含む): 28276468416

約数和(自身を除く): 6398423201

約数列:

[1, 5, 13, 65, 12601, 26711, 63005, 133555, 163813, 347243, 819065, 1736215, 336585311, 1682926555, 4375609043, 21878045215]

約数ペア:

[(1, 21878045215), (5, 4375609043), (13, 1682926555), (65, 336585311), (12601, 1736215), (26711, 819065), (63005, 347243), (133555, 163813)]