21985936

素因数分解:

$2^4\times 7^1\times {\mathrm{196303}}^1$

素因数の和:196318

約数の個数: 20

約数和(自身を含む): 48683392

約数和(自身を除く): 26697456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196303, 392606, 785212, 1374121, 1570424, 2748242, 3140848, 5496484, 10992968, 21985936]

約数ペア:

[(1, 21985936), (2, 10992968), (4, 5496484), (7, 3140848), (8, 2748242), (14, 1570424), (16, 1374121), (28, 785212), (56, 392606), (112, 196303)]