21477288

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2609}}^1$

素因数の和:2639

約数の個数: 64

約数和(自身を含む): 62640000

約数和(自身を除く): 41162712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2609, 2744, 4116, 5218, 7827, 8232, 10436, 15654, 18263, 20872, 31308, 36526, 54789, 62616, 73052, 109578, 127841, 146104, 219156, 255682, 383523, 438312, 511364, 767046, 894887, 1022728, 1534092, 1789774, 2684661, 3068184, 3579548, 5369322, 7159096, 10738644, 21477288]

約数ペア:

[(1, 21477288), (2, 10738644), (3, 7159096), (4, 5369322), (6, 3579548), (7, 3068184), (8, 2684661), (12, 1789774), (14, 1534092), (21, 1022728), (24, 894887), (28, 767046), (42, 511364), (49, 438312), (56, 383523), (84, 255682), (98, 219156), (147, 146104), (168, 127841), (196, 109578), (294, 73052), (343, 62616), (392, 54789), (588, 36526), (686, 31308), (1029, 20872), (1176, 18263), (1372, 15654), (2058, 10436), (2609, 8232), (2744, 7827), (4116, 5218)]