21633688

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 19838312

約数列:

[1, 2, 4, 8, 107, 127, 199, 214, 254, 398, 428, 508, 796, 856, 1016, 1592, 13589, 21293, 25273, 27178, 42586, 50546, 54356, 85172, 101092, 108712, 170344, 202184, 2704211, 5408422, 10816844, 21633688]

約数ペア:

[(1, 21633688), (2, 10816844), (4, 5408422), (8, 2704211), (107, 202184), (127, 170344), (199, 108712), (214, 101092), (254, 85172), (398, 54356), (428, 50546), (508, 42586), (796, 27178), (856, 25273), (1016, 21293), (1592, 13589)]