21285732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136447}}^1$

素因数の和:136467

約数の個数: 24

約数和(自身を含む): 53487616

約数和(自身を除く): 32201884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136447, 272894, 409341, 545788, 818682, 1637364, 1773811, 3547622, 5321433, 7095244, 10642866, 21285732]

約数ペア:

[(1, 21285732), (2, 10642866), (3, 7095244), (4, 5321433), (6, 3547622), (12, 1773811), (13, 1637364), (26, 818682), (39, 545788), (52, 409341), (78, 272894), (156, 136447)]