21035090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110711}}^1$

素因数の和:110737

約数の個数: 16

約数和(自身を含む): 39856320

約数和(自身を除く): 18821230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 110711, 221422, 553555, 1107110, 2103509, 4207018, 10517545, 21035090]

約数ペア:

[(1, 21035090), (2, 10517545), (5, 4207018), (10, 2103509), (19, 1107110), (38, 553555), (95, 221422), (190, 110711)]