21707608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4441}}^1$

素因数の和:4507

約数の個数: 32

約数和(自身を含む): 44775360

約数和(自身を除く): 23067752

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4441, 4888, 8882, 17764, 35528, 57733, 115466, 208727, 230932, 417454, 461864, 834908, 1669816, 2713451, 5426902, 10853804, 21707608]

約数ペア:

[(1, 21707608), (2, 10853804), (4, 5426902), (8, 2713451), (13, 1669816), (26, 834908), (47, 461864), (52, 417454), (94, 230932), (104, 208727), (188, 115466), (376, 57733), (611, 35528), (1222, 17764), (2444, 8882), (4441, 4888)]