21861468

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2935

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 35634852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 2851, 3834, 5702, 7668, 8553, 11404, 17106, 25659, 34212, 51318, 76977, 102636, 153954, 202421, 307908, 404842, 607263, 809684, 1214526, 1821789, 2429052, 3643578, 5465367, 7287156, 10930734, 21861468]

約数ペア:

[(1, 21861468), (2, 10930734), (3, 7287156), (4, 5465367), (6, 3643578), (9, 2429052), (12, 1821789), (18, 1214526), (27, 809684), (36, 607263), (54, 404842), (71, 307908), (108, 202421), (142, 153954), (213, 102636), (284, 76977), (426, 51318), (639, 34212), (852, 25659), (1278, 17106), (1917, 11404), (2556, 8553), (2851, 7668), (3834, 5702)]