21518160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89659}}^1$

素因数の和:89675

約数の個数: 40

約数和(自身を含む): 66707040

約数和(自身を除く): 45188880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89659, 179318, 268977, 358636, 448295, 537954, 717272, 896590, 1075908, 1344885, 1434544, 1793180, 2151816, 2689770, 3586360, 4303632, 5379540, 7172720, 10759080, 21518160]

約数ペア:

[(1, 21518160), (2, 10759080), (3, 7172720), (4, 5379540), (5, 4303632), (6, 3586360), (8, 2689770), (10, 2151816), (12, 1793180), (15, 1434544), (16, 1344885), (20, 1075908), (24, 896590), (30, 717272), (40, 537954), (48, 448295), (60, 358636), (80, 268977), (120, 179318), (240, 89659)]