21433775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1963

約数の個数: 24

約数和(自身を含む): 29716848

約数和(自身を除く): 8283073

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1901, 2255, 9505, 11275, 20911, 47525, 77941, 104555, 389705, 522775, 857351, 1948525, 4286755, 21433775]

約数ペア:

[(1, 21433775), (5, 4286755), (11, 1948525), (25, 857351), (41, 522775), (55, 389705), (205, 104555), (275, 77941), (451, 47525), (1025, 20911), (1901, 11275), (2255, 9505)]