21046128

素因数分解:

$2^4\times 3^1\times {\mathrm{463}}^1\times {\mathrm{947}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 54544128

約数和(自身を除く): 33498000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 463, 926, 947, 1389, 1852, 1894, 2778, 2841, 3704, 3788, 5556, 5682, 7408, 7576, 11112, 11364, 15152, 22224, 22728, 45456, 438461, 876922, 1315383, 1753844, 2630766, 3507688, 5261532, 7015376, 10523064, 21046128]

約数ペア:

[(1, 21046128), (2, 10523064), (3, 7015376), (4, 5261532), (6, 3507688), (8, 2630766), (12, 1753844), (16, 1315383), (24, 876922), (48, 438461), (463, 45456), (926, 22728), (947, 22224), (1389, 15152), (1852, 11364), (1894, 11112), (2778, 7576), (2841, 7408), (3704, 5682), (3788, 5556)]