21056408

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 43616880

約数和(自身を除く): 22560472

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 317, 361, 437, 634, 722, 874, 1268, 1444, 1748, 2536, 2888, 3496, 6023, 7291, 8303, 12046, 14582, 16606, 24092, 29164, 33212, 48184, 58328, 66424, 114437, 138529, 228874, 277058, 457748, 554116, 915496, 1108232, 2632051, 5264102, 10528204, 21056408]

約数ペア:

[(1, 21056408), (2, 10528204), (4, 5264102), (8, 2632051), (19, 1108232), (23, 915496), (38, 554116), (46, 457748), (76, 277058), (92, 228874), (152, 138529), (184, 114437), (317, 66424), (361, 58328), (437, 48184), (634, 33212), (722, 29164), (874, 24092), (1268, 16606), (1444, 14582), (1748, 12046), (2536, 8303), (2888, 7291), (3496, 6023)]