21535884

素因数分解:

$2^2\times 3^2\times {\mathrm{598219}}^1$

素因数の和:598229

約数の個数: 18

約数和(自身を含む): 54438020

約数和(自身を除く): 32902136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 598219, 1196438, 1794657, 2392876, 3589314, 5383971, 7178628, 10767942, 21535884]

約数ペア:

[(1, 21535884), (2, 10767942), (3, 7178628), (4, 5383971), (6, 3589314), (9, 2392876), (12, 1794657), (18, 1196438), (36, 598219)]