21240546

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1033}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 44668800

約数和(自身を除く): 23428254

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 149, 298, 447, 894, 1033, 2066, 3099, 3427, 6198, 6854, 10281, 20562, 23759, 47518, 71277, 142554, 153917, 307834, 461751, 923502, 3540091, 7080182, 10620273, 21240546]

約数ペア:

[(1, 21240546), (2, 10620273), (3, 7080182), (6, 3540091), (23, 923502), (46, 461751), (69, 307834), (138, 153917), (149, 142554), (298, 71277), (447, 47518), (894, 23759), (1033, 20562), (2066, 10281), (3099, 6854), (3427, 6198)]