21828664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19081}}^1$

素因数の和:19111

約数の個数: 32

約数和(自身を含む): 48086640

約数和(自身を除く): 26257976

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 19081, 38162, 76324, 152648, 209891, 248053, 419782, 496106, 839564, 992212, 1679128, 1984424, 2728583, 5457166, 10914332, 21828664]

約数ペア:

[(1, 21828664), (2, 10914332), (4, 5457166), (8, 2728583), (11, 1984424), (13, 1679128), (22, 992212), (26, 839564), (44, 496106), (52, 419782), (88, 248053), (104, 209891), (143, 152648), (286, 76324), (572, 38162), (1144, 19081)]