21353676

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^2\times {\mathrm{353}}^1$

素因数の和:502

約数の個数: 36

約数和(自身を含む): 50680056

約数和(自身を除く): 29326380

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 353, 426, 706, 852, 1059, 1412, 2118, 4236, 5041, 10082, 15123, 20164, 25063, 30246, 50126, 60492, 75189, 100252, 150378, 300756, 1779473, 3558946, 5338419, 7117892, 10676838, 21353676]

約数ペア:

[(1, 21353676), (2, 10676838), (3, 7117892), (4, 5338419), (6, 3558946), (12, 1779473), (71, 300756), (142, 150378), (213, 100252), (284, 75189), (353, 60492), (426, 50126), (706, 30246), (852, 25063), (1059, 20164), (1412, 15123), (2118, 10082), (4236, 5041)]