21706124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 43411200

約数和(自身を除く): 21705076

約数列:

[1, 2, 4, 11, 22, 37, 44, 67, 74, 134, 148, 199, 268, 398, 407, 737, 796, 814, 1474, 1628, 2189, 2479, 2948, 4378, 4958, 7363, 8756, 9916, 13333, 14726, 26666, 27269, 29452, 53332, 54538, 80993, 109076, 146663, 161986, 293326, 323972, 493321, 586652, 986642, 1973284, 5426531, 10853062, 21706124]

約数ペア:

[(1, 21706124), (2, 10853062), (4, 5426531), (11, 1973284), (22, 986642), (37, 586652), (44, 493321), (67, 323972), (74, 293326), (134, 161986), (148, 146663), (199, 109076), (268, 80993), (398, 54538), (407, 53332), (737, 29452), (796, 27269), (814, 26666), (1474, 14726), (1628, 13333), (2189, 9916), (2479, 8756), (2948, 7363), (4378, 4958)]