21545197773

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{23687}}^1$

素因数の和:24385

約数の個数: 32

約数和(自身を含む): 32118653952

約数和(自身を除く): 10573456179

約数列:

[1, 3, 11, 33, 43, 129, 473, 641, 1419, 1923, 7051, 21153, 23687, 27563, 71061, 82689, 260557, 303193, 781671, 909579, 1018541, 3055623, 11203951, 15183367, 33611853, 45550101, 167017037, 501051111, 652884781, 1958654343, 7181732591, 21545197773]

約数ペア:

[(1, 21545197773), (3, 7181732591), (11, 1958654343), (33, 652884781), (43, 501051111), (129, 167017037), (473, 45550101), (641, 33611853), (1419, 15183367), (1923, 11203951), (7051, 3055623), (21153, 1018541), (23687, 909579), (27563, 781671), (71061, 303193), (82689, 260557)]