21131700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70439}}^1$

素因数の和:70456

約数の個数: 36

約数和(自身を含む): 61141920

約数和(自身を除く): 40010220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70439, 140878, 211317, 281756, 352195, 422634, 704390, 845268, 1056585, 1408780, 1760975, 2113170, 3521950, 4226340, 5282925, 7043900, 10565850, 21131700]

約数ペア:

[(1, 21131700), (2, 10565850), (3, 7043900), (4, 5282925), (5, 4226340), (6, 3521950), (10, 2113170), (12, 1760975), (15, 1408780), (20, 1056585), (25, 845268), (30, 704390), (50, 422634), (60, 352195), (75, 281756), (100, 211317), (150, 140878), (300, 70439)]