21294878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14447}}^1$

素因数の和:14527

約数の個数: 16

約数和(自身を含む): 35368704

約数和(自身を除く): 14073826

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14447, 28894, 158917, 317834, 967949, 1935898, 10647439, 21294878]

約数ペア:

[(1, 21294878), (2, 10647439), (11, 1935898), (22, 967949), (67, 317834), (134, 158917), (737, 28894), (1474, 14447)]