21794036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 43090404

約数和(自身を除く): 21296368

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1217, 1628, 2434, 4477, 4868, 8954, 13387, 17908, 26774, 45029, 53548, 90058, 147257, 180116, 294514, 495319, 589028, 990638, 1981276, 5448509, 10897018, 21794036]

約数ペア:

[(1, 21794036), (2, 10897018), (4, 5448509), (11, 1981276), (22, 990638), (37, 589028), (44, 495319), (74, 294514), (121, 180116), (148, 147257), (242, 90058), (407, 53548), (484, 45029), (814, 26774), (1217, 17908), (1628, 13387), (2434, 8954), (4477, 4868)]