21738840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181157}}^1$

素因数の和:181171

約数の個数: 32

約数和(自身を含む): 65216880

約数和(自身を除く): 43478040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181157, 362314, 543471, 724628, 905785, 1086942, 1449256, 1811570, 2173884, 2717355, 3623140, 4347768, 5434710, 7246280, 10869420, 21738840]

約数ペア:

[(1, 21738840), (2, 10869420), (3, 7246280), (4, 5434710), (5, 4347768), (6, 3623140), (8, 2717355), (10, 2173884), (12, 1811570), (15, 1449256), (20, 1086942), (24, 905785), (30, 724628), (40, 543471), (60, 362314), (120, 181157)]