21694736

素因数分解:

$2^4\times 7^1\times {\mathrm{193703}}^1$

素因数の和:193718

約数の個数: 20

約数和(自身を含む): 48038592

約数和(自身を除く): 26343856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193703, 387406, 774812, 1355921, 1549624, 2711842, 3099248, 5423684, 10847368, 21694736]

約数ペア:

[(1, 21694736), (2, 10847368), (4, 5423684), (7, 3099248), (8, 2711842), (14, 1549624), (16, 1355921), (28, 774812), (56, 387406), (112, 193703)]