21354540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355909}}^1$

素因数の和:355921

約数の個数: 24

約数和(自身を含む): 59792880

約数和(自身を除く): 38438340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355909, 711818, 1067727, 1423636, 1779545, 2135454, 3559090, 4270908, 5338635, 7118180, 10677270, 21354540]

約数ペア:

[(1, 21354540), (2, 10677270), (3, 7118180), (4, 5338635), (5, 4270908), (6, 3559090), (10, 2135454), (12, 1779545), (15, 1423636), (20, 1067727), (30, 711818), (60, 355909)]