21977380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15053}}^1$

素因数の和:15135

約数の個数: 24

約数和(自身を含む): 46787832

約数和(自身を除く): 24810452

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 15053, 30106, 60212, 75265, 150530, 301060, 1098869, 2197738, 4395476, 5494345, 10988690, 21977380]

約数ペア:

[(1, 21977380), (2, 10988690), (4, 5494345), (5, 4395476), (10, 2197738), (20, 1098869), (73, 301060), (146, 150530), (292, 75265), (365, 60212), (730, 30106), (1460, 15053)]