21680076

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 59447808

約数和(自身を除く): 37767732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 37, 44, 46, 66, 69, 74, 92, 111, 132, 138, 148, 193, 222, 253, 276, 386, 407, 444, 506, 579, 759, 772, 814, 851, 1012, 1158, 1221, 1518, 1628, 1702, 2123, 2316, 2442, 2553, 3036, 3404, 4246, 4439, 4884, 5106, 6369, 7141, 8492, 8878, 9361, 10212, 12738, 13317, 14282, 17756, 18722, 21423, 25476, 26634, 28083, 28564, 37444, 42846, 48829, 53268, 56166, 78551, 85692, 97658, 112332, 146487, 157102, 164243, 195316, 235653, 292974, 314204, 328486, 471306, 492729, 585948, 656972, 942612, 985458, 1806673, 1970916, 3613346, 5420019, 7226692, 10840038, 21680076]

約数ペア:

[(1, 21680076), (2, 10840038), (3, 7226692), (4, 5420019), (6, 3613346), (11, 1970916), (12, 1806673), (22, 985458), (23, 942612), (33, 656972), (37, 585948), (44, 492729), (46, 471306), (66, 328486), (69, 314204), (74, 292974), (92, 235653), (111, 195316), (132, 164243), (138, 157102), (148, 146487), (193, 112332), (222, 97658), (253, 85692), (276, 78551), (386, 56166), (407, 53268), (444, 48829), (506, 42846), (579, 37444), (759, 28564), (772, 28083), (814, 26634), (851, 25476), (1012, 21423), (1158, 18722), (1221, 17756), (1518, 14282), (1628, 13317), (1702, 12738), (2123, 10212), (2316, 9361), (2442, 8878), (2553, 8492), (3036, 7141), (3404, 6369), (4246, 5106), (4439, 4884)]