21825684

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8539}}^1$

素因数の和:8620

約数の個数: 36

約数和(自身を含む): 55954080

約数和(自身を除く): 34128396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8539, 17078, 25617, 34156, 51234, 76851, 102468, 153702, 307404, 606269, 1212538, 1818807, 2425076, 3637614, 5456421, 7275228, 10912842, 21825684]

約数ペア:

[(1, 21825684), (2, 10912842), (3, 7275228), (4, 5456421), (6, 3637614), (9, 2425076), (12, 1818807), (18, 1212538), (36, 606269), (71, 307404), (142, 153702), (213, 102468), (284, 76851), (426, 51234), (639, 34156), (852, 25617), (1278, 17078), (2556, 8539)]