21511728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{21341}}^1$

素因数の和:21362

約数の個数: 60

約数和(自身を含む): 68806608

約数和(自身を除く): 47294880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 21341, 42682, 64023, 85364, 128046, 149387, 170728, 192069, 256092, 298774, 341456, 384138, 448161, 512184, 597548, 768276, 896322, 1024368, 1195096, 1344483, 1536552, 1792644, 2390192, 2688966, 3073104, 3585288, 5377932, 7170576, 10755864, 21511728]

約数ペア:

[(1, 21511728), (2, 10755864), (3, 7170576), (4, 5377932), (6, 3585288), (7, 3073104), (8, 2688966), (9, 2390192), (12, 1792644), (14, 1536552), (16, 1344483), (18, 1195096), (21, 1024368), (24, 896322), (28, 768276), (36, 597548), (42, 512184), (48, 448161), (56, 384138), (63, 341456), (72, 298774), (84, 256092), (112, 192069), (126, 170728), (144, 149387), (168, 128046), (252, 85364), (336, 64023), (504, 42682), (1008, 21341)]