21337914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3853}}^1$

素因数の和:3942

約数の個数: 32

約数和(自身を含む): 46617984

約数和(自身を除く): 25280070

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3853, 5538, 7706, 11559, 23118, 50089, 100178, 150267, 273563, 300534, 547126, 820689, 1641378, 3556319, 7112638, 10668957, 21337914]

約数ペア:

[(1, 21337914), (2, 10668957), (3, 7112638), (6, 3556319), (13, 1641378), (26, 820689), (39, 547126), (71, 300534), (78, 273563), (142, 150267), (213, 100178), (426, 50089), (923, 23118), (1846, 11559), (2769, 7706), (3853, 5538)]