21485838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{325543}}^1$

素因数の和:325559

約数の個数: 16

約数和(自身を含む): 46878336

約数和(自身を除く): 25392498

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 325543, 651086, 976629, 1953258, 3580973, 7161946, 10742919, 21485838]

約数ペア:

[(1, 21485838), (2, 10742919), (3, 7161946), (6, 3580973), (11, 1953258), (22, 976629), (33, 651086), (66, 325543)]