21299058

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 32614542

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 99, 138, 198, 207, 253, 297, 414, 506, 594, 621, 759, 1242, 1518, 1559, 2277, 3118, 4554, 4677, 6831, 9354, 13662, 14031, 17149, 28062, 34298, 35857, 42093, 51447, 71714, 84186, 102894, 107571, 154341, 215142, 308682, 322713, 394427, 463023, 645426, 788854, 926046, 968139, 1183281, 1936278, 2366562, 3549843, 7099686, 10649529, 21299058]

約数ペア:

[(1, 21299058), (2, 10649529), (3, 7099686), (6, 3549843), (9, 2366562), (11, 1936278), (18, 1183281), (22, 968139), (23, 926046), (27, 788854), (33, 645426), (46, 463023), (54, 394427), (66, 322713), (69, 308682), (99, 215142), (138, 154341), (198, 107571), (207, 102894), (253, 84186), (297, 71714), (414, 51447), (506, 42093), (594, 35857), (621, 34298), (759, 28062), (1242, 17149), (1518, 14031), (1559, 13662), (2277, 9354), (3118, 6831), (4554, 4677)]