21654276

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5261}}^1$

素因数の和:5289

約数の個数: 48

約数和(自身を含む): 58934400

約数和(自身を除く): 37280124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5261, 10522, 15783, 21044, 31566, 36827, 63132, 73654, 110481, 147308, 220962, 257789, 441924, 515578, 773367, 1031156, 1546734, 1804523, 3093468, 3609046, 5413569, 7218092, 10827138, 21654276]

約数ペア:

[(1, 21654276), (2, 10827138), (3, 7218092), (4, 5413569), (6, 3609046), (7, 3093468), (12, 1804523), (14, 1546734), (21, 1031156), (28, 773367), (42, 515578), (49, 441924), (84, 257789), (98, 220962), (147, 147308), (196, 110481), (294, 73654), (343, 63132), (588, 36827), (686, 31566), (1029, 21044), (1372, 15783), (2058, 10522), (4116, 5261)]