21572558

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90641}}^1$

素因数の和:90667

約数の個数: 16

約数和(自身を含む): 39157344

約数和(自身を除く): 17584786

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90641, 181282, 634487, 1268974, 1540897, 3081794, 10786279, 21572558]

約数ペア:

[(1, 21572558), (2, 10786279), (7, 3081794), (14, 1540897), (17, 1268974), (34, 634487), (119, 181282), (238, 90641)]