21841720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23741}}^1$

素因数の和:23775

約数の個数: 32

約数和(自身を含む): 51282720

約数和(自身を除く): 29441000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23741, 47482, 94964, 118705, 189928, 237410, 474820, 546043, 949640, 1092086, 2184172, 2730215, 4368344, 5460430, 10920860, 21841720]

約数ペア:

[(1, 21841720), (2, 10920860), (4, 5460430), (5, 4368344), (8, 2730215), (10, 2184172), (20, 1092086), (23, 949640), (40, 546043), (46, 474820), (92, 237410), (115, 189928), (184, 118705), (230, 94964), (460, 47482), (920, 23741)]