21325642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1187}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 34528032

約数和(自身を除く): 13202390

約数列:

[1, 2, 13, 26, 691, 1187, 1382, 2374, 8983, 15431, 17966, 30862, 820217, 1640434, 10662821, 21325642]

約数ペア:

[(1, 21325642), (2, 10662821), (13, 1640434), (26, 820217), (691, 30862), (1187, 17966), (1382, 15431), (2374, 8983)]