21184136

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29753}}^1$

素因数の和:29848

約数の個数: 16

約数和(自身を含む): 40167900

約数和(自身を除く): 18983764

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29753, 59506, 119012, 238024, 2648017, 5296034, 10592068, 21184136]

約数ペア:

[(1, 21184136), (2, 10592068), (4, 5296034), (8, 2648017), (89, 238024), (178, 119012), (356, 59506), (712, 29753)]