21047054

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 17438962

約数列:

[1, 2, 7, 14, 17, 34, 119, 191, 238, 382, 463, 926, 1337, 2674, 3241, 3247, 6482, 6494, 7871, 15742, 22729, 45458, 55097, 88433, 110194, 176866, 619031, 1238062, 1503361, 3006722, 10523527, 21047054]

約数ペア:

[(1, 21047054), (2, 10523527), (7, 3006722), (14, 1503361), (17, 1238062), (34, 619031), (119, 176866), (191, 110194), (238, 88433), (382, 55097), (463, 45458), (926, 22729), (1337, 15742), (2674, 7871), (3241, 6494), (3247, 6482)]