21144402

素因数分解:

$2^1\times 3^5\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 48004320

約数和(自身を除く): 26859918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 243, 278, 313, 417, 486, 626, 834, 939, 1251, 1878, 2502, 2817, 3753, 5634, 7506, 8451, 11259, 16902, 22518, 25353, 33777, 43507, 50706, 67554, 76059, 87014, 130521, 152118, 261042, 391563, 783126, 1174689, 2349378, 3524067, 7048134, 10572201, 21144402]

約数ペア:

[(1, 21144402), (2, 10572201), (3, 7048134), (6, 3524067), (9, 2349378), (18, 1174689), (27, 783126), (54, 391563), (81, 261042), (139, 152118), (162, 130521), (243, 87014), (278, 76059), (313, 67554), (417, 50706), (486, 43507), (626, 33777), (834, 25353), (939, 22518), (1251, 16902), (1878, 11259), (2502, 8451), (2817, 7506), (3753, 5634)]