21552420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359207}}^1$

素因数の和:359219

約数の個数: 24

約数和(自身を含む): 60346944

約数和(自身を除く): 38794524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359207, 718414, 1077621, 1436828, 1796035, 2155242, 3592070, 4310484, 5388105, 7184140, 10776210, 21552420]

約数ペア:

[(1, 21552420), (2, 10776210), (3, 7184140), (4, 5388105), (5, 4310484), (6, 3592070), (10, 2155242), (12, 1796035), (15, 1436828), (20, 1077621), (30, 718414), (60, 359207)]