21651586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 37023552

約数和(自身を除く): 15371966

約数列:

[1, 2, 11, 22, 37, 67, 74, 134, 397, 407, 737, 794, 814, 1474, 2479, 4367, 4958, 8734, 14689, 26599, 27269, 29378, 53198, 54538, 161579, 292589, 323158, 585178, 984163, 1968326, 10825793, 21651586]

約数ペア:

[(1, 21651586), (2, 10825793), (11, 1968326), (22, 984163), (37, 585178), (67, 323158), (74, 292589), (134, 161579), (397, 54538), (407, 53198), (737, 29378), (794, 27269), (814, 26599), (1474, 14689), (2479, 8734), (4367, 4958)]