21283732

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4639}}^1$

素因数の和:4711

約数の個数: 24

約数和(自身を含む): 39495680

約数和(自身を除く): 18211948

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4588, 4639, 9278, 18556, 143809, 171643, 287618, 343286, 575236, 686572, 5320933, 10641866, 21283732]

約数ペア:

[(1, 21283732), (2, 10641866), (4, 5320933), (31, 686572), (37, 575236), (62, 343286), (74, 287618), (124, 171643), (148, 143809), (1147, 18556), (2294, 9278), (4588, 4639)]