21099364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36887}}^1$

素因数の和:36915

約数の個数: 24

約数和(自身を含む): 43380288

約数和(自身を除く): 22280924

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36887, 73774, 147548, 405757, 479531, 811514, 959062, 1623028, 1918124, 5274841, 10549682, 21099364]

約数ペア:

[(1, 21099364), (2, 10549682), (4, 5274841), (11, 1918124), (13, 1623028), (22, 959062), (26, 811514), (44, 479531), (52, 405757), (143, 147548), (286, 73774), (572, 36887)]