21255708

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{57139}}^1$

素因数の和:57177

約数の個数: 24

約数和(自身を含む): 51197440

約数和(自身を除く): 29941732

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 57139, 114278, 171417, 228556, 342834, 685668, 1771309, 3542618, 5313927, 7085236, 10627854, 21255708]

約数ペア:

[(1, 21255708), (2, 10627854), (3, 7085236), (4, 5313927), (6, 3542618), (12, 1771309), (31, 685668), (62, 342834), (93, 228556), (124, 171417), (186, 114278), (372, 57139)]