21002113984

素因数分解:

$2^6\times {\mathrm{2953}}^1\times {\mathrm{111127}}^1$

素因数の和:114092

約数の個数: 28

約数和(自身を含む): 41690558224

約数和(自身を除く): 20688444240

約数列:

[1, 2, 4, 8, 16, 32, 64, 2953, 5906, 11812, 23624, 47248, 94496, 111127, 188992, 222254, 444508, 889016, 1778032, 3556064, 7112128, 328158031, 656316062, 1312632124, 2625264248, 5250528496, 10501056992, 21002113984]

約数ペア:

[(1, 21002113984), (2, 10501056992), (4, 5250528496), (8, 2625264248), (16, 1312632124), (32, 656316062), (64, 328158031), (2953, 7112128), (5906, 3556064), (11812, 1778032), (23624, 889016), (47248, 444508), (94496, 222254), (111127, 188992)]