21861954

素因数分解:

$2^1\times 3^3\times {\mathrm{404851}}^1$

素因数の和:404862

約数の個数: 16

約数和(自身を含む): 48582240

約数和(自身を除く): 26720286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 404851, 809702, 1214553, 2429106, 3643659, 7287318, 10930977, 21861954]

約数ペア:

[(1, 21861954), (2, 10930977), (3, 7287318), (6, 3643659), (9, 2429106), (18, 1214553), (27, 809702), (54, 404851)]