21349428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 52555776

約数和(自身を除く): 31206348

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 751, 1236, 1502, 2253, 2369, 3004, 4506, 4738, 7107, 9012, 9476, 14214, 17273, 28428, 34546, 51819, 69092, 77353, 103638, 154706, 207276, 232059, 309412, 464118, 928236, 1779119, 3558238, 5337357, 7116476, 10674714, 21349428]

約数ペア:

[(1, 21349428), (2, 10674714), (3, 7116476), (4, 5337357), (6, 3558238), (12, 1779119), (23, 928236), (46, 464118), (69, 309412), (92, 232059), (103, 207276), (138, 154706), (206, 103638), (276, 77353), (309, 69092), (412, 51819), (618, 34546), (751, 28428), (1236, 17273), (1502, 14214), (2253, 9476), (2369, 9012), (3004, 7107), (4506, 4738)]