21000122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 37425024

約数和(自身を除く): 16424902

約数列:

[1, 2, 11, 13, 22, 26, 101, 143, 202, 286, 727, 1111, 1313, 1454, 2222, 2626, 7997, 9451, 14443, 15994, 18902, 28886, 73427, 103961, 146854, 207922, 807697, 954551, 1615394, 1909102, 10500061, 21000122]

約数ペア:

[(1, 21000122), (2, 10500061), (11, 1909102), (13, 1615394), (22, 954551), (26, 807697), (101, 207922), (143, 146854), (202, 103961), (286, 73427), (727, 28886), (1111, 18902), (1313, 15994), (1454, 14443), (2222, 9451), (2626, 7997)]