21660656704

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2664943}}^1$

素因数の和:2665082

約数の個数: 28

約数和(自身を含む): 43321329664

約数和(自身を除く): 21660672960

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 2664943, 5329886, 10659772, 21319544, 42639088, 85278176, 170556352, 338447761, 676895522, 1353791044, 2707582088, 5415164176, 10830328352, 21660656704]

約数ペア:

[(1, 21660656704), (2, 10830328352), (4, 5415164176), (8, 2707582088), (16, 1353791044), (32, 676895522), (64, 338447761), (127, 170556352), (254, 85278176), (508, 42639088), (1016, 21319544), (2032, 10659772), (4064, 5329886), (8128, 2664943)]