21084792

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20431}}^1$

素因数の和:20483

約数の個数: 32

約数和(自身を含む): 53940480

約数和(自身を除く): 32855688

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20431, 40862, 61293, 81724, 122586, 163448, 245172, 490344, 878533, 1757066, 2635599, 3514132, 5271198, 7028264, 10542396, 21084792]

約数ペア:

[(1, 21084792), (2, 10542396), (3, 7028264), (4, 5271198), (6, 3514132), (8, 2635599), (12, 1757066), (24, 878533), (43, 490344), (86, 245172), (129, 163448), (172, 122586), (258, 81724), (344, 61293), (516, 40862), (1032, 20431)]