21231366

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{929}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 45934560

約数和(自身を除く): 24703194

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 293, 586, 879, 929, 1758, 1858, 2787, 3809, 5574, 7618, 11427, 12077, 22854, 24154, 36231, 72462, 272197, 544394, 816591, 1633182, 3538561, 7077122, 10615683, 21231366]

約数ペア:

[(1, 21231366), (2, 10615683), (3, 7077122), (6, 3538561), (13, 1633182), (26, 816591), (39, 544394), (78, 272197), (293, 72462), (586, 36231), (879, 24154), (929, 22854), (1758, 12077), (1858, 11427), (2787, 7618), (3809, 5574)]