21135392

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{3319}}^1$

素因数の和:3528

約数の個数: 24

約数和(自身を含む): 41832000

約数和(自身を除く): 20696608

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1592, 3184, 3319, 6368, 6638, 13276, 26552, 53104, 106208, 660481, 1320962, 2641924, 5283848, 10567696, 21135392]

約数ペア:

[(1, 21135392), (2, 10567696), (4, 5283848), (8, 2641924), (16, 1320962), (32, 660481), (199, 106208), (398, 53104), (796, 26552), (1592, 13276), (3184, 6638), (3319, 6368)]