21698248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1459}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 48092400

約数和(自身を除く): 26394152

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1459, 1859, 2918, 3718, 5836, 7436, 11672, 14872, 16049, 18967, 32098, 37934, 64196, 75868, 128392, 151736, 208637, 246571, 417274, 493142, 834548, 986284, 1669096, 1972568, 2712281, 5424562, 10849124, 21698248]

約数ペア:

[(1, 21698248), (2, 10849124), (4, 5424562), (8, 2712281), (11, 1972568), (13, 1669096), (22, 986284), (26, 834548), (44, 493142), (52, 417274), (88, 246571), (104, 208637), (143, 151736), (169, 128392), (286, 75868), (338, 64196), (572, 37934), (676, 32098), (1144, 18967), (1352, 16049), (1459, 14872), (1859, 11672), (2918, 7436), (3718, 5836)]