21038056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202289}}^1$

素因数の和:202308

約数の個数: 16

約数和(自身を含む): 42480900

約数和(自身を除く): 21442844

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202289, 404578, 809156, 1618312, 2629757, 5259514, 10519028, 21038056]

約数ペア:

[(1, 21038056), (2, 10519028), (4, 5259514), (8, 2629757), (13, 1618312), (26, 809156), (52, 404578), (104, 202289)]