21593530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1229}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23040710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1229, 1255, 1757, 2458, 2510, 3514, 6145, 8603, 8785, 12290, 17206, 17570, 43015, 86030, 308479, 616958, 1542395, 2159353, 3084790, 4318706, 10796765, 21593530]

約数ペア:

[(1, 21593530), (2, 10796765), (5, 4318706), (7, 3084790), (10, 2159353), (14, 1542395), (35, 616958), (70, 308479), (251, 86030), (502, 43015), (1229, 17570), (1255, 17206), (1757, 12290), (2458, 8785), (2510, 8603), (3514, 6145)]