21167111619

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{106243}}^1$

素因数の和:106456

約数の個数: 32

約数和(自身を含む): 32230179840

約数和(自身を除く): 11063068221

約数列:

[1, 3, 9, 27, 47, 141, 157, 423, 471, 1269, 1413, 4239, 7379, 22137, 66411, 106243, 199233, 318729, 956187, 2868561, 4993421, 14980263, 16680151, 44940789, 50040453, 134822367, 150121359, 450364077, 783967097, 2351901291, 7055703873, 21167111619]

約数ペア:

[(1, 21167111619), (3, 7055703873), (9, 2351901291), (27, 783967097), (47, 450364077), (141, 150121359), (157, 134822367), (423, 50040453), (471, 44940789), (1269, 16680151), (1413, 14980263), (4239, 4993421), (7379, 2868561), (22137, 956187), (66411, 318729), (106243, 199233)]