21847938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3797}}^1$

素因数の和:3946

約数の個数: 32

約数和(自身を含む): 50315904

約数和(自身を除く): 28467966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3797, 5754, 7594, 11391, 22782, 26579, 53158, 79737, 159474, 520189, 1040378, 1560567, 3121134, 3641323, 7282646, 10923969, 21847938]

約数ペア:

[(1, 21847938), (2, 10923969), (3, 7282646), (6, 3641323), (7, 3121134), (14, 1560567), (21, 1040378), (42, 520189), (137, 159474), (274, 79737), (411, 53158), (822, 26579), (959, 22782), (1918, 11391), (2877, 7594), (3797, 5754)]