21317994

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{32009}}^1$

素因数の和:32054

約数の個数: 24

約数和(自身を含む): 47438820

約数和(自身を除く): 26120826

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 32009, 64018, 96027, 192054, 288081, 576162, 1184333, 2368666, 3552999, 7105998, 10658997, 21317994]

約数ペア:

[(1, 21317994), (2, 10658997), (3, 7105998), (6, 3552999), (9, 2368666), (18, 1184333), (37, 576162), (74, 288081), (111, 192054), (222, 96027), (333, 64018), (666, 32009)]