21171714

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 43580160

約数和(自身を除く): 22408446

約数列:

[1, 2, 3, 6, 47, 94, 141, 193, 282, 386, 389, 579, 778, 1158, 1167, 2334, 9071, 18142, 18283, 27213, 36566, 54426, 54849, 75077, 109698, 150154, 225231, 450462, 3528619, 7057238, 10585857, 21171714]

約数ペア:

[(1, 21171714), (2, 10585857), (3, 7057238), (6, 3528619), (47, 450462), (94, 225231), (141, 150154), (193, 109698), (282, 75077), (386, 54849), (389, 54426), (579, 36566), (778, 27213), (1158, 18283), (1167, 18142), (2334, 9071)]