21888032

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15907}}^1$

素因数の和:15960

約数の個数: 24

約数和(自身を含む): 44096976

約数和(自身を除く): 22208944

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15907, 31814, 63628, 127256, 254512, 509024, 684001, 1368002, 2736004, 5472008, 10944016, 21888032]

約数ペア:

[(1, 21888032), (2, 10944016), (4, 5472008), (8, 2736004), (16, 1368002), (32, 684001), (43, 509024), (86, 254512), (172, 127256), (344, 63628), (688, 31814), (1376, 15907)]