21418905599

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12388031}}^1$

素因数の和:12388070

約数の個数: 16

約数和(自身を含む): 27749191680

約数和(自身を除く): 6330286081

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 12388031, 86716217, 161044403, 235372589, 1127310821, 1647608123, 3059843657, 21418905599]

約数ペア:

[(1, 21418905599), (7, 3059843657), (13, 1647608123), (19, 1127310821), (91, 235372589), (133, 161044403), (247, 86716217), (1729, 12388031)]