21505698

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{4999}}^1$

素因数の和:5246

約数の個数: 24

約数和(自身を含む): 46800000

約数和(自身を除く): 25294302

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 4999, 9998, 14997, 29994, 44991, 89982, 1194761, 2389522, 3584283, 7168566, 10752849, 21505698]

約数ペア:

[(1, 21505698), (2, 10752849), (3, 7168566), (6, 3584283), (9, 2389522), (18, 1194761), (239, 89982), (478, 44991), (717, 29994), (1434, 14997), (2151, 9998), (4302, 4999)]