21017733

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 10801659

約数列:

[1, 3, 11, 33, 53, 61, 159, 183, 197, 583, 591, 671, 1749, 2013, 2167, 3233, 6501, 9699, 10441, 12017, 31323, 35563, 36051, 106689, 114851, 132187, 344553, 396561, 636901, 1910703, 7005911, 21017733]

約数ペア:

[(1, 21017733), (3, 7005911), (11, 1910703), (33, 636901), (53, 396561), (61, 344553), (159, 132187), (183, 114851), (197, 106689), (583, 36051), (591, 35563), (671, 31323), (1749, 12017), (2013, 10441), (2167, 9699), (3233, 6501)]