21171900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70573}}^1$

素因数の和:70590

約数の個数: 36

約数和(自身を含む): 61258232

約数和(自身を除く): 40086332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70573, 141146, 211719, 282292, 352865, 423438, 705730, 846876, 1058595, 1411460, 1764325, 2117190, 3528650, 4234380, 5292975, 7057300, 10585950, 21171900]

約数ペア:

[(1, 21171900), (2, 10585950), (3, 7057300), (4, 5292975), (5, 4234380), (6, 3528650), (10, 2117190), (12, 1764325), (15, 1411460), (20, 1058595), (25, 846876), (30, 705730), (50, 423438), (60, 352865), (75, 282292), (100, 211719), (150, 141146), (300, 70573)]