21675884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 42437304

約数和(自身を除く): 20761420

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 883, 1292, 1444, 1766, 3532, 6137, 12274, 15011, 16777, 24548, 30022, 33554, 60044, 67108, 285209, 318763, 570418, 637526, 1140836, 1275052, 5418971, 10837942, 21675884]

約数ペア:

[(1, 21675884), (2, 10837942), (4, 5418971), (17, 1275052), (19, 1140836), (34, 637526), (38, 570418), (68, 318763), (76, 285209), (323, 67108), (361, 60044), (646, 33554), (722, 30022), (883, 24548), (1292, 16777), (1444, 15011), (1766, 12274), (3532, 6137)]