21430563

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 35983872

約数和(自身を除く): 14553309

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 821, 1243, 2373, 2463, 3729, 5747, 8701, 9031, 17241, 26103, 27093, 63217, 92773, 189651, 278319, 649411, 1020503, 1948233, 3061509, 7143521, 21430563]

約数ペア:

[(1, 21430563), (3, 7143521), (7, 3061509), (11, 1948233), (21, 1020503), (33, 649411), (77, 278319), (113, 189651), (231, 92773), (339, 63217), (791, 27093), (821, 26103), (1243, 17241), (2373, 9031), (2463, 8701), (3729, 5747)]