21331398

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7883}}^1$

素因数の和:7940

約数の個数: 32

約数和(自身を含む): 47682432

約数和(自身を除く): 26351034

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7883, 15766, 23649, 47298, 86713, 173426, 260139, 323203, 520278, 646406, 969609, 1939218, 3555233, 7110466, 10665699, 21331398]

約数ペア:

[(1, 21331398), (2, 10665699), (3, 7110466), (6, 3555233), (11, 1939218), (22, 969609), (33, 646406), (41, 520278), (66, 323203), (82, 260139), (123, 173426), (246, 86713), (451, 47298), (902, 23649), (1353, 15766), (2706, 7883)]