21750450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3919}}^1$

素因数の和:3971

約数の個数: 48

約数和(自身を含む): 55413120

約数和(自身を除く): 33662670

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3919, 5550, 7838, 11757, 19595, 23514, 39190, 58785, 97975, 117570, 145003, 195950, 290006, 293925, 435009, 587850, 725015, 870018, 1450030, 2175045, 3625075, 4350090, 7250150, 10875225, 21750450]

約数ペア:

[(1, 21750450), (2, 10875225), (3, 7250150), (5, 4350090), (6, 3625075), (10, 2175045), (15, 1450030), (25, 870018), (30, 725015), (37, 587850), (50, 435009), (74, 293925), (75, 290006), (111, 195950), (150, 145003), (185, 117570), (222, 97975), (370, 58785), (555, 39190), (925, 23514), (1110, 19595), (1850, 11757), (2775, 7838), (3919, 5550)]