21000773332

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{376709}}^1$

素因数の和:376912

約数の個数: 48

約数和(自身を含む): 46073139840

約数和(自身を除く): 25072366508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 181, 308, 362, 724, 1267, 1991, 2534, 3982, 5068, 7964, 13937, 27874, 55748, 376709, 753418, 1506836, 2636963, 4143799, 5273926, 8287598, 10547852, 16575196, 29006593, 58013186, 68184329, 116026372, 136368658, 272737316, 477290303, 750027619, 954580606, 1500055238, 1909161212, 3000110476, 5250193333, 10500386666, 21000773332]

約数ペア:

[(1, 21000773332), (2, 10500386666), (4, 5250193333), (7, 3000110476), (11, 1909161212), (14, 1500055238), (22, 954580606), (28, 750027619), (44, 477290303), (77, 272737316), (154, 136368658), (181, 116026372), (308, 68184329), (362, 58013186), (724, 29006593), (1267, 16575196), (1991, 10547852), (2534, 8287598), (3982, 5273926), (5068, 4143799), (7964, 2636963), (13937, 1506836), (27874, 753418), (55748, 376709)]