21211472

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6869}}^1$

素因数の和:7070

約数の個数: 20

約数和(自身を含む): 41316180

約数和(自身を除く): 20104708

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6869, 13738, 27476, 54952, 109904, 1325717, 2651434, 5302868, 10605736, 21211472]

約数ペア:

[(1, 21211472), (2, 10605736), (4, 5302868), (8, 2651434), (16, 1325717), (193, 109904), (386, 54952), (772, 27476), (1544, 13738), (3088, 6869)]