21186976

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34847}}^1$

素因数の和:34876

約数の個数: 24

約数和(自身を含む): 43908480

約数和(自身を除く): 22721504

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34847, 69694, 139388, 278776, 557552, 662093, 1115104, 1324186, 2648372, 5296744, 10593488, 21186976]

約数ペア:

[(1, 21186976), (2, 10593488), (4, 5296744), (8, 2648372), (16, 1324186), (19, 1115104), (32, 662093), (38, 557552), (76, 278776), (152, 139388), (304, 69694), (608, 34847)]