21054092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1151}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 18136948

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1076, 1151, 2302, 4573, 4604, 9146, 18292, 19567, 39134, 78268, 309619, 619238, 1238476, 5263523, 10527046, 21054092]

約数ペア:

[(1, 21054092), (2, 10527046), (4, 5263523), (17, 1238476), (34, 619238), (68, 309619), (269, 78268), (538, 39134), (1076, 19567), (1151, 18292), (2302, 9146), (4573, 4604)]