21202136

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 20982664

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1889, 2806, 3778, 5612, 7556, 11224, 15112, 43447, 86894, 115229, 173788, 230458, 347576, 460916, 921832, 2650267, 5300534, 10601068, 21202136]

約数ペア:

[(1, 21202136), (2, 10601068), (4, 5300534), (8, 2650267), (23, 921832), (46, 460916), (61, 347576), (92, 230458), (122, 173788), (184, 115229), (244, 86894), (488, 43447), (1403, 15112), (1889, 11224), (2806, 7556), (3778, 5612)]