21415464

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42491}}^1$

素因数の和:42510

約数の個数: 48

約数和(自身を含む): 66287520

約数和(自身を除く): 44872056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42491, 84982, 127473, 169964, 254946, 297437, 339928, 382419, 509892, 594874, 764838, 892311, 1019784, 1189748, 1529676, 1784622, 2379496, 2676933, 3059352, 3569244, 5353866, 7138488, 10707732, 21415464]

約数ペア:

[(1, 21415464), (2, 10707732), (3, 7138488), (4, 5353866), (6, 3569244), (7, 3059352), (8, 2676933), (9, 2379496), (12, 1784622), (14, 1529676), (18, 1189748), (21, 1019784), (24, 892311), (28, 764838), (36, 594874), (42, 509892), (56, 382419), (63, 339928), (72, 297437), (84, 254946), (126, 169964), (168, 127473), (252, 84982), (504, 42491)]