21160291

素因数分解:

${\mathrm{17}}^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 16

約数和(自身を含む): 23176800

約数和(自身を除く): 2016509

約数列:

[1, 17, 59, 73, 289, 1003, 1241, 4307, 4913, 17051, 21097, 73219, 289867, 358649, 1244723, 21160291]

約数ペア:

[(1, 21160291), (17, 1244723), (59, 358649), (73, 289867), (289, 73219), (1003, 21097), (1241, 17051), (4307, 4913)]