21995450168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1847}}^1\times {\mathrm{78347}}^1$

素因数の和:80219

約数の個数: 32

約数和(自身を含む): 43436131200

約数和(自身を除く): 21440681032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1847, 3694, 7388, 14776, 35093, 70186, 78347, 140372, 156694, 280744, 313388, 626776, 1488593, 2977186, 5954372, 11908744, 144706909, 289413818, 578827636, 1157655272, 2749431271, 5498862542, 10997725084, 21995450168]

約数ペア:

[(1, 21995450168), (2, 10997725084), (4, 5498862542), (8, 2749431271), (19, 1157655272), (38, 578827636), (76, 289413818), (152, 144706909), (1847, 11908744), (3694, 5954372), (7388, 2977186), (14776, 1488593), (35093, 626776), (70186, 313388), (78347, 280744), (140372, 156694)]