2121808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^2$

素因数の和:223

約数の個数: 30

約数和(自身を含む): 4471502

約数和(自身を除く): 2349694

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10201, 10504, 20402, 21008, 40804, 81608, 132613, 163216, 265226, 530452, 1060904, 2121808]

約数ペア:

[(1, 2121808), (2, 1060904), (4, 530452), (8, 265226), (13, 163216), (16, 132613), (26, 81608), (52, 40804), (101, 21008), (104, 20402), (202, 10504), (208, 10201), (404, 5252), (808, 2626), (1313, 1616)]