21826269

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 33519200

約数和(自身を除く): 11692931

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 1171, 2071, 3513, 6213, 10539, 18639, 22249, 66747, 127639, 200241, 382917, 1148751, 2425141, 7275423, 21826269]

約数ペア:

[(1, 21826269), (3, 7275423), (9, 2425141), (19, 1148751), (57, 382917), (109, 200241), (171, 127639), (327, 66747), (981, 22249), (1171, 18639), (2071, 10539), (3513, 6213)]