21813010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24509}}^1$

素因数の和:24605

約数の個数: 16

約数和(自身を含む): 39706200

約数和(自身を除く): 17893190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 24509, 49018, 122545, 245090, 2181301, 4362602, 10906505, 21813010]

約数ペア:

[(1, 21813010), (2, 10906505), (5, 4362602), (10, 2181301), (89, 245090), (178, 122545), (445, 49018), (890, 24509)]