21165492

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{6863}}^1$

素因数の和:7127

約数の個数: 24

約数和(自身を含む): 49585536

約数和(自身を除く): 28420044

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 6863, 13726, 20589, 27452, 41178, 82356, 1763791, 3527582, 5291373, 7055164, 10582746, 21165492]

約数ペア:

[(1, 21165492), (2, 10582746), (3, 7055164), (4, 5291373), (6, 3527582), (12, 1763791), (257, 82356), (514, 41178), (771, 27452), (1028, 20589), (1542, 13726), (3084, 6863)]