21361774

素因数分解:

$2^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2473}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 36694368

約数和(自身を除く): 15332594

約数列:

[1, 2, 7, 14, 617, 1234, 2473, 4319, 4946, 8638, 17311, 34622, 1525841, 3051682, 10680887, 21361774]

約数ペア:

[(1, 21361774), (2, 10680887), (7, 3051682), (14, 1525841), (617, 34622), (1234, 17311), (2473, 8638), (4319, 4946)]