21458814

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2671}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 46685184

約数和(自身を除く): 25226370

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2671, 2678, 4017, 5342, 8013, 8034, 16026, 34723, 69446, 104169, 208338, 275113, 550226, 825339, 1650678, 3576469, 7152938, 10729407, 21458814]

約数ペア:

[(1, 21458814), (2, 10729407), (3, 7152938), (6, 3576469), (13, 1650678), (26, 825339), (39, 550226), (78, 275113), (103, 208338), (206, 104169), (309, 69446), (618, 34723), (1339, 16026), (2671, 8034), (2678, 8013), (4017, 5342)]