21347871285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8421251}}^1$

素因数の和:8421285

約数の個数: 24

約数和(自身を含む): 36986138784

約数和(自身を除く): 15638267499

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8421251, 25263753, 42106255, 109476263, 126318765, 328428789, 547381315, 1423191419, 1642143945, 4269574257, 7115957095, 21347871285]

約数ペア:

[(1, 21347871285), (3, 7115957095), (5, 4269574257), (13, 1642143945), (15, 1423191419), (39, 547381315), (65, 328428789), (169, 126318765), (195, 109476263), (507, 42106255), (845, 25263753), (2535, 8421251)]