21744051

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 34603008

約数和(自身を除く): 12858957

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 263, 381, 651, 789, 889, 1841, 2667, 3937, 5523, 8153, 11811, 24459, 27559, 33401, 57071, 82677, 100203, 171213, 233807, 701421, 1035431, 3106293, 7248017, 21744051]

約数ペア:

[(1, 21744051), (3, 7248017), (7, 3106293), (21, 1035431), (31, 701421), (93, 233807), (127, 171213), (217, 100203), (263, 82677), (381, 57071), (651, 33401), (789, 27559), (889, 24459), (1841, 11811), (2667, 8153), (3937, 5523)]