21676176

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1504

約数の個数: 60

約数和(自身を含む): 61264060

約数和(自身を除く): 39587884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1381, 1744, 1962, 2616, 2762, 3924, 4143, 5232, 5524, 7848, 8286, 11048, 12429, 15696, 16572, 22096, 24858, 33144, 49716, 66288, 99432, 150529, 198864, 301058, 451587, 602116, 903174, 1204232, 1354761, 1806348, 2408464, 2709522, 3612696, 5419044, 7225392, 10838088, 21676176]

約数ペア:

[(1, 21676176), (2, 10838088), (3, 7225392), (4, 5419044), (6, 3612696), (8, 2709522), (9, 2408464), (12, 1806348), (16, 1354761), (18, 1204232), (24, 903174), (36, 602116), (48, 451587), (72, 301058), (109, 198864), (144, 150529), (218, 99432), (327, 66288), (436, 49716), (654, 33144), (872, 24858), (981, 22096), (1308, 16572), (1381, 15696), (1744, 12429), (1962, 11048), (2616, 8286), (2762, 7848), (3924, 5524), (4143, 5232)]