21183688

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91309}}^1$

素因数の和:91344

約数の個数: 16

約数和(自身を含む): 41089500

約数和(自身を除く): 19905812

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91309, 182618, 365236, 730472, 2647961, 5295922, 10591844, 21183688]

約数ペア:

[(1, 21183688), (2, 10591844), (4, 5295922), (8, 2647961), (29, 730472), (58, 365236), (116, 182618), (232, 91309)]