21463274

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11527}}^1$

素因数の和:11562

約数の個数: 24

約数和(自身を含む): 39425760

約数和(自身を除く): 17962486

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11527, 23054, 80689, 161378, 219013, 438026, 564823, 1129646, 1533091, 3066182, 10731637, 21463274]

約数ペア:

[(1, 21463274), (2, 10731637), (7, 3066182), (14, 1533091), (19, 1129646), (38, 564823), (49, 438026), (98, 219013), (133, 161378), (266, 80689), (931, 23054), (1862, 11527)]