21554710

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29527}}^1$

素因数の和:29607

約数の個数: 16

約数和(自身を含む): 39331296

約数和(自身を除く): 17776586

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29527, 59054, 147635, 295270, 2155471, 4310942, 10777355, 21554710]

約数ペア:

[(1, 21554710), (2, 10777355), (5, 4310942), (10, 2155471), (73, 295270), (146, 147635), (365, 59054), (730, 29527)]