21269898

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 52214400

約数和(自身を除く): 30944502

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 82, 117, 123, 234, 246, 351, 369, 533, 702, 738, 739, 1066, 1107, 1478, 1599, 2214, 2217, 3198, 4434, 4797, 6651, 9594, 9607, 13302, 14391, 19214, 19953, 28782, 28821, 30299, 39906, 57642, 60598, 86463, 90897, 172926, 181794, 259389, 272691, 393887, 518778, 545382, 787774, 818073, 1181661, 1636146, 2363322, 3544983, 7089966, 10634949, 21269898]

約数ペア:

[(1, 21269898), (2, 10634949), (3, 7089966), (6, 3544983), (9, 2363322), (13, 1636146), (18, 1181661), (26, 818073), (27, 787774), (39, 545382), (41, 518778), (54, 393887), (78, 272691), (82, 259389), (117, 181794), (123, 172926), (234, 90897), (246, 86463), (351, 60598), (369, 57642), (533, 39906), (702, 30299), (738, 28821), (739, 28782), (1066, 19953), (1107, 19214), (1478, 14391), (1599, 13302), (2214, 9607), (2217, 9594), (3198, 6651), (4434, 4797)]