21155718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207409}}^1$

素因数の和:207431

約数の個数: 16

約数和(自身を含む): 44800560

約数和(自身を除く): 23644842

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207409, 414818, 622227, 1244454, 3525953, 7051906, 10577859, 21155718]

約数ペア:

[(1, 21155718), (2, 10577859), (3, 7051906), (6, 3525953), (17, 1244454), (34, 622227), (51, 414818), (102, 207409)]