21473692

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 38556000

約数和(自身を除く): 17082308

約数列:

[1, 2, 4, 53, 106, 199, 212, 398, 509, 796, 1018, 2036, 10547, 21094, 26977, 42188, 53954, 101291, 107908, 202582, 405164, 5368423, 10736846, 21473692]

約数ペア:

[(1, 21473692), (2, 10736846), (4, 5368423), (53, 405164), (106, 202582), (199, 107908), (212, 101291), (398, 53954), (509, 42188), (796, 26977), (1018, 21094), (2036, 10547)]