21086496

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:574

約数の個数: 72

約数和(自身を含む): 60422544

約数和(自身を除く): 39336048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 347, 422, 633, 694, 844, 1041, 1266, 1388, 1688, 1899, 2082, 2532, 2776, 3123, 3376, 3798, 4164, 5064, 5552, 6246, 6752, 7596, 8328, 10128, 11104, 12492, 15192, 16656, 20256, 24984, 30384, 33312, 49968, 60768, 73217, 99936, 146434, 219651, 292868, 439302, 585736, 658953, 878604, 1171472, 1317906, 1757208, 2342944, 2635812, 3514416, 5271624, 7028832, 10543248, 21086496]

約数ペア:

[(1, 21086496), (2, 10543248), (3, 7028832), (4, 5271624), (6, 3514416), (8, 2635812), (9, 2342944), (12, 1757208), (16, 1317906), (18, 1171472), (24, 878604), (32, 658953), (36, 585736), (48, 439302), (72, 292868), (96, 219651), (144, 146434), (211, 99936), (288, 73217), (347, 60768), (422, 49968), (633, 33312), (694, 30384), (844, 24984), (1041, 20256), (1266, 16656), (1388, 15192), (1688, 12492), (1899, 11104), (2082, 10128), (2532, 8328), (2776, 7596), (3123, 6752), (3376, 6246), (3798, 5552), (4164, 5064)]