21969654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{757}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 50355456

約数和(自身を除く): 28385802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 691, 757, 1382, 1514, 2073, 2271, 4146, 4542, 4837, 5299, 9674, 10598, 14511, 15897, 29022, 31794, 523087, 1046174, 1569261, 3138522, 3661609, 7323218, 10984827, 21969654]

約数ペア:

[(1, 21969654), (2, 10984827), (3, 7323218), (6, 3661609), (7, 3138522), (14, 1569261), (21, 1046174), (42, 523087), (691, 31794), (757, 29022), (1382, 15897), (1514, 14511), (2073, 10598), (2271, 9674), (4146, 5299), (4542, 4837)]