21131808786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{929}}^1\times {\mathrm{114883}}^1$

素因数の和:115831

約数の個数: 48

約数和(自身を含む): 50002112160

約数和(自身を除く): 28870303374

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 929, 1858, 2787, 5574, 8361, 10219, 16722, 20438, 30657, 61314, 91971, 114883, 183942, 229766, 344649, 689298, 1033947, 1263713, 2067894, 2527426, 3791139, 7582278, 11373417, 22746834, 106726307, 213452614, 320178921, 640357842, 960536763, 1173989377, 1921073526, 2347978754, 3521968131, 7043936262, 10565904393, 21131808786]

約数ペア:

[(1, 21131808786), (2, 10565904393), (3, 7043936262), (6, 3521968131), (9, 2347978754), (11, 1921073526), (18, 1173989377), (22, 960536763), (33, 640357842), (66, 320178921), (99, 213452614), (198, 106726307), (929, 22746834), (1858, 11373417), (2787, 7582278), (5574, 3791139), (8361, 2527426), (10219, 2067894), (16722, 1263713), (20438, 1033947), (30657, 689298), (61314, 344649), (91971, 229766), (114883, 183942)]