21000750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{28001}}^1$

素因数の和:28021

約数の個数: 32

約数和(自身を含む): 52419744

約数和(自身を除く): 31418994

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 28001, 56002, 84003, 140005, 168006, 280010, 420015, 700025, 840030, 1400050, 2100075, 3500125, 4200150, 7000250, 10500375, 21000750]

約数ペア:

[(1, 21000750), (2, 10500375), (3, 7000250), (5, 4200150), (6, 3500125), (10, 2100075), (15, 1400050), (25, 840030), (30, 700025), (50, 420015), (75, 280010), (125, 168006), (150, 140005), (250, 84003), (375, 56002), (750, 28001)]