21509092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11923}}^1$

素因数の和:11979

約数の個数: 24

約数和(自身を含む): 42067872

約数和(自身を除く): 20558780

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11923, 23846, 47692, 131153, 262306, 488843, 524612, 977686, 1955372, 5377273, 10754546, 21509092]

約数ペア:

[(1, 21509092), (2, 10754546), (4, 5377273), (11, 1955372), (22, 977686), (41, 524612), (44, 488843), (82, 262306), (164, 131153), (451, 47692), (902, 23846), (1804, 11923)]