21657548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1543}}^1$

素因数の和:1598

約数の個数: 36

約数和(自身を含む): 43123920

約数和(自身を除く): 21466372

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1543, 3086, 3509, 6172, 7018, 14036, 16973, 33946, 44747, 67892, 89494, 178988, 186703, 373406, 492217, 746812, 984434, 1968868, 5414387, 10828774, 21657548]

約数ペア:

[(1, 21657548), (2, 10828774), (4, 5414387), (11, 1968868), (22, 984434), (29, 746812), (44, 492217), (58, 373406), (116, 186703), (121, 178988), (242, 89494), (319, 67892), (484, 44747), (638, 33946), (1276, 16973), (1543, 14036), (3086, 7018), (3509, 6172)]