21976976

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 40

約数和(自身を含む): 48895680

約数和(自身を除く): 26918704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 619, 634, 1238, 1268, 2219, 2476, 2536, 4333, 4438, 4952, 5072, 8666, 8876, 9904, 17332, 17752, 34664, 35504, 69328, 196223, 392446, 784892, 1373561, 1569784, 2747122, 3139568, 5494244, 10988488, 21976976]

約数ペア:

[(1, 21976976), (2, 10988488), (4, 5494244), (7, 3139568), (8, 2747122), (14, 1569784), (16, 1373561), (28, 784892), (56, 392446), (112, 196223), (317, 69328), (619, 35504), (634, 34664), (1238, 17752), (1268, 17332), (2219, 9904), (2476, 8876), (2536, 8666), (4333, 5072), (4438, 4952)]