21562638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 47803392

約数和(自身を除く): 26240754

約数列:

[1, 2, 3, 6, 23, 37, 41, 46, 69, 74, 82, 103, 111, 123, 138, 206, 222, 246, 309, 618, 851, 943, 1517, 1702, 1886, 2369, 2553, 2829, 3034, 3811, 4223, 4551, 4738, 5106, 5658, 7107, 7622, 8446, 9102, 11433, 12669, 14214, 22866, 25338, 34891, 69782, 87653, 97129, 104673, 156251, 175306, 194258, 209346, 262959, 291387, 312502, 468753, 525918, 582774, 937506, 3593773, 7187546, 10781319, 21562638]

約数ペア:

[(1, 21562638), (2, 10781319), (3, 7187546), (6, 3593773), (23, 937506), (37, 582774), (41, 525918), (46, 468753), (69, 312502), (74, 291387), (82, 262959), (103, 209346), (111, 194258), (123, 175306), (138, 156251), (206, 104673), (222, 97129), (246, 87653), (309, 69782), (618, 34891), (851, 25338), (943, 22866), (1517, 14214), (1702, 12669), (1886, 11433), (2369, 9102), (2553, 8446), (2829, 7622), (3034, 7107), (3811, 5658), (4223, 5106), (4551, 4738)]