21998898

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{1549}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 49104000

約数和(自身を除く): 27105102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1549, 1578, 2367, 3098, 4647, 4734, 7101, 9294, 13941, 14202, 27882, 41823, 83646, 407387, 814774, 1222161, 2444322, 3666483, 7332966, 10999449, 21998898]

約数ペア:

[(1, 21998898), (2, 10999449), (3, 7332966), (6, 3666483), (9, 2444322), (18, 1222161), (27, 814774), (54, 407387), (263, 83646), (526, 41823), (789, 27882), (1549, 14202), (1578, 13941), (2367, 9294), (3098, 7101), (4647, 4734)]