21315894

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1861}}^1$

素因数の和:1972

約数の個数: 32

約数和(自身を含む): 45045504

約数和(自身を除く): 23729610

約数列:

[1, 2, 3, 6, 23, 46, 69, 83, 138, 166, 249, 498, 1861, 1909, 3722, 3818, 5583, 5727, 11166, 11454, 42803, 85606, 128409, 154463, 256818, 308926, 463389, 926778, 3552649, 7105298, 10657947, 21315894]

約数ペア:

[(1, 21315894), (2, 10657947), (3, 7105298), (6, 3552649), (23, 926778), (46, 463389), (69, 308926), (83, 256818), (138, 154463), (166, 128409), (249, 85606), (498, 42803), (1861, 11454), (1909, 11166), (3722, 5727), (3818, 5583)]