21370291208

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{338609}}^1$

素因数の和:338659

約数の個数: 64

約数和(自身を含む): 48759840000

約数和(自身を除く): 27389548792

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 343, 392, 644, 686, 1127, 1288, 1372, 2254, 2744, 4508, 7889, 9016, 15778, 31556, 63112, 338609, 677218, 1354436, 2370263, 2708872, 4740526, 7788007, 9481052, 15576014, 16591841, 18962104, 31152028, 33183682, 54516049, 62304056, 66367364, 109032098, 116142887, 132734728, 218064196, 232285774, 381612343, 436128392, 464571548, 763224686, 929143096, 1526449372, 2671286401, 3052898744, 5342572802, 10685145604, 21370291208]

約数ペア:

[(1, 21370291208), (2, 10685145604), (4, 5342572802), (7, 3052898744), (8, 2671286401), (14, 1526449372), (23, 929143096), (28, 763224686), (46, 464571548), (49, 436128392), (56, 381612343), (92, 232285774), (98, 218064196), (161, 132734728), (184, 116142887), (196, 109032098), (322, 66367364), (343, 62304056), (392, 54516049), (644, 33183682), (686, 31152028), (1127, 18962104), (1288, 16591841), (1372, 15576014), (2254, 9481052), (2744, 7788007), (4508, 4740526), (7889, 2708872), (9016, 2370263), (15778, 1354436), (31556, 677218), (63112, 338609)]