21644190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240491}}^1$

素因数の和:240504

約数の個数: 24

約数和(自身を含む): 56275128

約数和(自身を除く): 34630938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240491, 480982, 721473, 1202455, 1442946, 2164419, 2404910, 3607365, 4328838, 7214730, 10822095, 21644190]

約数ペア:

[(1, 21644190), (2, 10822095), (3, 7214730), (5, 4328838), (6, 3607365), (9, 2404910), (10, 2164419), (15, 1442946), (18, 1202455), (30, 721473), (45, 480982), (90, 240491)]