21366747

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3823}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 33406464

約数和(自身を除く): 12039717

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3823, 5589, 11469, 34407, 87929, 103221, 263787, 309663, 791361, 928989, 2374083, 7122249, 21366747]

約数ペア:

[(1, 21366747), (3, 7122249), (9, 2374083), (23, 928989), (27, 791361), (69, 309663), (81, 263787), (207, 103221), (243, 87929), (621, 34407), (1863, 11469), (3823, 5589)]