21984987

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{10987}}^1$

素因数の和:11042

約数の個数: 16

約数和(自身を含む): 31645440

約数和(自身を除く): 9660453

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 10987, 32961, 252701, 318623, 758103, 955869, 7328329, 21984987]

約数ペア:

[(1, 21984987), (3, 7328329), (23, 955869), (29, 758103), (69, 318623), (87, 252701), (667, 32961), (2001, 10987)]