21255597

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 34134048

約数和(自身を除く): 12878451

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 4051, 5247, 12153, 36459, 44561, 133683, 214703, 401049, 644109, 1932327, 2361733, 7085199, 21255597]

約数ペア:

[(1, 21255597), (3, 7085199), (9, 2361733), (11, 1932327), (33, 644109), (53, 401049), (99, 214703), (159, 133683), (477, 44561), (583, 36459), (1749, 12153), (4051, 5247)]