21536850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4951}}^1$

素因数の和:4995

約数の個数: 48

約数和(自身を含む): 55264320

約数和(自身を除く): 33727470

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4951, 9902, 14853, 24755, 29706, 49510, 74265, 123775, 143579, 148530, 247550, 287158, 371325, 430737, 717895, 742650, 861474, 1435790, 2153685, 3589475, 4307370, 7178950, 10768425, 21536850]

約数ペア:

[(1, 21536850), (2, 10768425), (3, 7178950), (5, 4307370), (6, 3589475), (10, 2153685), (15, 1435790), (25, 861474), (29, 742650), (30, 717895), (50, 430737), (58, 371325), (75, 287158), (87, 247550), (145, 148530), (150, 143579), (174, 123775), (290, 74265), (435, 49510), (725, 29706), (870, 24755), (1450, 14853), (2175, 9902), (4350, 4951)]