21388650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{142591}}^1$

素因数の和:142606

約数の個数: 24

約数和(自身を含む): 53044224

約数和(自身を除く): 31655574

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 142591, 285182, 427773, 712955, 855546, 1425910, 2138865, 3564775, 4277730, 7129550, 10694325, 21388650]

約数ペア:

[(1, 21388650), (2, 10694325), (3, 7129550), (5, 4277730), (6, 3564775), (10, 2138865), (15, 1425910), (25, 855546), (30, 712955), (50, 427773), (75, 285182), (150, 142591)]