21365436

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 31050564

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 199, 276, 389, 398, 597, 778, 796, 1167, 1194, 1556, 2334, 2388, 4577, 4668, 8947, 9154, 13731, 17894, 18308, 26841, 27462, 35788, 53682, 54924, 77411, 107364, 154822, 232233, 309644, 464466, 928932, 1780453, 3560906, 5341359, 7121812, 10682718, 21365436]

約数ペア:

[(1, 21365436), (2, 10682718), (3, 7121812), (4, 5341359), (6, 3560906), (12, 1780453), (23, 928932), (46, 464466), (69, 309644), (92, 232233), (138, 154822), (199, 107364), (276, 77411), (389, 54924), (398, 53682), (597, 35788), (778, 27462), (796, 26841), (1167, 18308), (1194, 17894), (1556, 13731), (2334, 9154), (2388, 8947), (4577, 4668)]