21812992

素因数分解:

$2^8\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:768

約数の個数: 36

約数和(自身を含む): 43925560

約数和(自身を除く): 22112568

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 556, 613, 1112, 1226, 2224, 2452, 4448, 4904, 8896, 9808, 17792, 19616, 35584, 39232, 78464, 85207, 156928, 170414, 340828, 681656, 1363312, 2726624, 5453248, 10906496, 21812992]

約数ペア:

[(1, 21812992), (2, 10906496), (4, 5453248), (8, 2726624), (16, 1363312), (32, 681656), (64, 340828), (128, 170414), (139, 156928), (256, 85207), (278, 78464), (556, 39232), (613, 35584), (1112, 19616), (1226, 17792), (2224, 9808), (2452, 8896), (4448, 4904)]