21008032

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{3299}}^1$

素因数の和:3508

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 20571968

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1592, 3184, 3299, 6368, 6598, 13196, 26392, 52784, 105568, 656501, 1313002, 2626004, 5252008, 10504016, 21008032]

約数ペア:

[(1, 21008032), (2, 10504016), (4, 5252008), (8, 2626004), (16, 1313002), (32, 656501), (199, 105568), (398, 52784), (796, 26392), (1592, 13196), (3184, 6598), (3299, 6368)]