21005550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{46679}}^1$

素因数の和:46697

約数の個数: 36

約数和(自身を含む): 56436120

約数和(自身を除く): 35430570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 46679, 93358, 140037, 233395, 280074, 420111, 466790, 700185, 840222, 1166975, 1400370, 2100555, 2333950, 3500925, 4201110, 7001850, 10502775, 21005550]

約数ペア:

[(1, 21005550), (2, 10502775), (3, 7001850), (5, 4201110), (6, 3500925), (9, 2333950), (10, 2100555), (15, 1400370), (18, 1166975), (25, 840222), (30, 700185), (45, 466790), (50, 420111), (75, 280074), (90, 233395), (150, 140037), (225, 93358), (450, 46679)]