21360340

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1783}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 44956800

約数和(自身を除く): 23596460

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 1783, 2396, 2995, 3566, 5990, 7132, 8915, 11980, 17830, 35660, 1068017, 2136034, 4272068, 5340085, 10680170, 21360340]

約数ペア:

[(1, 21360340), (2, 10680170), (4, 5340085), (5, 4272068), (10, 2136034), (20, 1068017), (599, 35660), (1198, 17830), (1783, 11980), (2396, 8915), (2995, 7132), (3566, 5990)]