21692230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23097530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 431, 719, 862, 1438, 2155, 3017, 3595, 4310, 5033, 6034, 7190, 10066, 15085, 25165, 30170, 50330, 309889, 619778, 1549445, 2169223, 3098890, 4338446, 10846115, 21692230]

約数ペア:

[(1, 21692230), (2, 10846115), (5, 4338446), (7, 3098890), (10, 2169223), (14, 1549445), (35, 619778), (70, 309889), (431, 50330), (719, 30170), (862, 25165), (1438, 15085), (2155, 10066), (3017, 7190), (3595, 6034), (4310, 5033)]