21038454

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 47999952

約数和(自身を除く): 26961498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 593, 657, 1186, 1314, 1779, 1971, 3558, 3942, 5337, 5913, 10674, 11826, 16011, 17739, 32022, 35478, 43289, 48033, 86578, 96066, 129867, 144099, 259734, 288198, 389601, 779202, 1168803, 2337606, 3506409, 7012818, 10519227, 21038454]

約数ペア:

[(1, 21038454), (2, 10519227), (3, 7012818), (6, 3506409), (9, 2337606), (18, 1168803), (27, 779202), (54, 389601), (73, 288198), (81, 259734), (146, 144099), (162, 129867), (219, 96066), (243, 86578), (438, 48033), (486, 43289), (593, 35478), (657, 32022), (1186, 17739), (1314, 16011), (1779, 11826), (1971, 10674), (3558, 5913), (3942, 5337)]