21789144

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23279}}^1$

素因数の和:23304

約数の個数: 48

約数和(自身を含む): 63554400

約数和(自身を除く): 41765256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23279, 46558, 69837, 93116, 139674, 186232, 209511, 279348, 302627, 419022, 558696, 605254, 838044, 907881, 1210508, 1676088, 1815762, 2421016, 2723643, 3631524, 5447286, 7263048, 10894572, 21789144]

約数ペア:

[(1, 21789144), (2, 10894572), (3, 7263048), (4, 5447286), (6, 3631524), (8, 2723643), (9, 2421016), (12, 1815762), (13, 1676088), (18, 1210508), (24, 907881), (26, 838044), (36, 605254), (39, 558696), (52, 419022), (72, 302627), (78, 279348), (104, 209511), (117, 186232), (156, 139674), (234, 93116), (312, 69837), (468, 46558), (936, 23279)]