21000300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70001}}^1$

素因数の和:70018

約数の個数: 36

約数和(自身を含む): 60761736

約数和(自身を除く): 39761436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70001, 140002, 210003, 280004, 350005, 420006, 700010, 840012, 1050015, 1400020, 1750025, 2100030, 3500050, 4200060, 5250075, 7000100, 10500150, 21000300]

約数ペア:

[(1, 21000300), (2, 10500150), (3, 7000100), (4, 5250075), (5, 4200060), (6, 3500050), (10, 2100030), (12, 1750025), (15, 1400020), (20, 1050015), (25, 840012), (30, 700010), (50, 420006), (60, 350005), (75, 280004), (100, 210003), (150, 140002), (300, 70001)]