21238152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68071}}^1$

素因数の和:68093

約数の個数: 32

約数和(自身を含む): 57180480

約数和(自身を除く): 35942328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68071, 136142, 204213, 272284, 408426, 544568, 816852, 884923, 1633704, 1769846, 2654769, 3539692, 5309538, 7079384, 10619076, 21238152]

約数ペア:

[(1, 21238152), (2, 10619076), (3, 7079384), (4, 5309538), (6, 3539692), (8, 2654769), (12, 1769846), (13, 1633704), (24, 884923), (26, 816852), (39, 544568), (52, 408426), (78, 272284), (104, 204213), (156, 136142), (312, 68071)]