21637284

素因数分解:

$2^2\times 3^1\times {\mathrm{269}}^1\times {\mathrm{6703}}^1$

素因数の和:6979

約数の個数: 24

約数和(自身を含む): 50682240

約数和(自身を除く): 29044956

約数列:

[1, 2, 3, 4, 6, 12, 269, 538, 807, 1076, 1614, 3228, 6703, 13406, 20109, 26812, 40218, 80436, 1803107, 3606214, 5409321, 7212428, 10818642, 21637284]

約数ペア:

[(1, 21637284), (2, 10818642), (3, 7212428), (4, 5409321), (6, 3606214), (12, 1803107), (269, 80436), (538, 40218), (807, 26812), (1076, 20109), (1614, 13406), (3228, 6703)]