21925323

素因数分解:

$3^4\times 7^1\times {\mathrm{38669}}^1$

素因数の和:38688

約数の個数: 20

約数和(自身を含む): 37432560

約数和(自身を除く): 15507237

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 38669, 116007, 270683, 348021, 812049, 1044063, 2436147, 3132189, 7308441, 21925323]

約数ペア:

[(1, 21925323), (3, 7308441), (7, 3132189), (9, 2436147), (21, 1044063), (27, 812049), (63, 348021), (81, 270683), (189, 116007), (567, 38669)]