21489900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71633}}^1$

素因数の和:71650

約数の個数: 36

約数和(自身を含む): 62178312

約数和(自身を除く): 40688412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 71633, 143266, 214899, 286532, 358165, 429798, 716330, 859596, 1074495, 1432660, 1790825, 2148990, 3581650, 4297980, 5372475, 7163300, 10744950, 21489900]

約数ペア:

[(1, 21489900), (2, 10744950), (3, 7163300), (4, 5372475), (5, 4297980), (6, 3581650), (10, 2148990), (12, 1790825), (15, 1432660), (20, 1074495), (25, 859596), (30, 716330), (50, 429798), (60, 358165), (75, 286532), (100, 214899), (150, 143266), (300, 71633)]