21138558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1871}}^1$

素因数の和:2152

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 27383682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 269, 538, 807, 1614, 1871, 1883, 3742, 3766, 5613, 5649, 11226, 11298, 13097, 26194, 39291, 78582, 503299, 1006598, 1509897, 3019794, 3523093, 7046186, 10569279, 21138558]

約数ペア:

[(1, 21138558), (2, 10569279), (3, 7046186), (6, 3523093), (7, 3019794), (14, 1509897), (21, 1006598), (42, 503299), (269, 78582), (538, 39291), (807, 26194), (1614, 13097), (1871, 11298), (1883, 11226), (3742, 5649), (3766, 5613)]