21252972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136237}}^1$

素因数の和:136257

約数の個数: 24

約数和(自身を含む): 53405296

約数和(自身を除く): 32152324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136237, 272474, 408711, 544948, 817422, 1634844, 1771081, 3542162, 5313243, 7084324, 10626486, 21252972]

約数ペア:

[(1, 21252972), (2, 10626486), (3, 7084324), (4, 5313243), (6, 3542162), (12, 1771081), (13, 1634844), (26, 817422), (39, 544948), (52, 408711), (78, 272474), (156, 136237)]