21879832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2083}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 44639280

約数和(自身を除く): 22759448

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2083, 2626, 4166, 5252, 8332, 10504, 16664, 27079, 54158, 108316, 210383, 216632, 420766, 841532, 1683064, 2734979, 5469958, 10939916, 21879832]

約数ペア:

[(1, 21879832), (2, 10939916), (4, 5469958), (8, 2734979), (13, 1683064), (26, 841532), (52, 420766), (101, 216632), (104, 210383), (202, 108316), (404, 54158), (808, 27079), (1313, 16664), (2083, 10504), (2626, 8332), (4166, 5252)]