21962105

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 29928192

約数和(自身を除く): 7966087

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1171, 1705, 3751, 5855, 12881, 18755, 36301, 64405, 141691, 181505, 399311, 708455, 1996555, 4392421, 21962105]

約数ペア:

[(1, 21962105), (5, 4392421), (11, 1996555), (31, 708455), (55, 399311), (121, 181505), (155, 141691), (341, 64405), (605, 36301), (1171, 18755), (1705, 12881), (3751, 5855)]