21855708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86729}}^1$

素因数の和:86746

約数の個数: 36

約数和(自身を含む): 63139440

約数和(自身を除く): 41283732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86729, 173458, 260187, 346916, 520374, 607103, 780561, 1040748, 1214206, 1561122, 1821309, 2428412, 3122244, 3642618, 5463927, 7285236, 10927854, 21855708]

約数ペア:

[(1, 21855708), (2, 10927854), (3, 7285236), (4, 5463927), (6, 3642618), (7, 3122244), (9, 2428412), (12, 1821309), (14, 1561122), (18, 1214206), (21, 1040748), (28, 780561), (36, 607103), (42, 520374), (63, 346916), (84, 260187), (126, 173458), (252, 86729)]