21903966

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57947}}^1$

素因数の和:57965

約数の個数: 32

約数和(自身を含む): 55630080

約数和(自身を除く): 33726114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57947, 115894, 173841, 347682, 405629, 521523, 811258, 1043046, 1216887, 1564569, 2433774, 3129138, 3650661, 7301322, 10951983, 21903966]

約数ペア:

[(1, 21903966), (2, 10951983), (3, 7301322), (6, 3650661), (7, 3129138), (9, 2433774), (14, 1564569), (18, 1216887), (21, 1043046), (27, 811258), (42, 521523), (54, 405629), (63, 347682), (126, 173841), (189, 115894), (378, 57947)]