2021115772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^1\times {\mathrm{19463}}^1$

素因数の和:21477

約数の個数: 24

約数和(自身を含む): 3811129056

約数和(自身を除く): 1790013284

約数列:

[1, 2, 4, 13, 26, 52, 1997, 3994, 7988, 19463, 25961, 38926, 51922, 77852, 103844, 253019, 506038, 1012076, 38867611, 77735222, 155470444, 505278943, 1010557886, 2021115772]

約数ペア:

[(1, 2021115772), (2, 1010557886), (4, 505278943), (13, 155470444), (26, 77735222), (52, 38867611), (1997, 1012076), (3994, 506038), (7988, 253019), (19463, 103844), (25961, 77852), (38926, 51922)]