21818141

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 23347200

約数和(自身を除く): 1529059

約数列:

[1, 31, 59, 79, 151, 1829, 2449, 4661, 4681, 8909, 11929, 144491, 276179, 369799, 703811, 21818141]

約数ペア:

[(1, 21818141), (31, 703811), (59, 369799), (79, 276179), (151, 144491), (1829, 11929), (2449, 8909), (4661, 4681)]