21749296

素因数分解:

$2^4\times {\mathrm{1151}}^1\times {\mathrm{1181}}^1$

素因数の和:2340

約数の個数: 20

約数和(自身を含む): 42211584

約数和(自身を除く): 20462288

約数列:

[1, 2, 4, 8, 16, 1151, 1181, 2302, 2362, 4604, 4724, 9208, 9448, 18416, 18896, 1359331, 2718662, 5437324, 10874648, 21749296]

約数ペア:

[(1, 21749296), (2, 10874648), (4, 5437324), (8, 2718662), (16, 1359331), (1151, 18896), (1181, 18416), (2302, 9448), (2362, 9208), (4604, 4724)]