21264834

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{691}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 44642304

約数和(自身を除く): 23377470

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 223, 446, 669, 691, 1338, 1382, 2073, 4146, 5129, 10258, 15387, 15893, 30774, 31786, 47679, 95358, 154093, 308186, 462279, 924558, 3544139, 7088278, 10632417, 21264834]

約数ペア:

[(1, 21264834), (2, 10632417), (3, 7088278), (6, 3544139), (23, 924558), (46, 462279), (69, 308186), (138, 154093), (223, 95358), (446, 47679), (669, 31786), (691, 30774), (1338, 15893), (1382, 15387), (2073, 10258), (4146, 5129)]