21631687

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 27907200

約数和(自身を除く): 6275513

約数列:

[1, 7, 11, 49, 67, 77, 469, 539, 599, 737, 3283, 4193, 5159, 6589, 29351, 36113, 40133, 46123, 280931, 322861, 441463, 1966517, 3090241, 21631687]

約数ペア:

[(1, 21631687), (7, 3090241), (11, 1966517), (49, 441463), (67, 322861), (77, 280931), (469, 46123), (539, 40133), (599, 36113), (737, 29351), (3283, 6589), (4193, 5159)]