21586708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2903}}^1$

素因数の和:2944

約数の個数: 36

約数和(自身を含む): 44640288

約数和(自身を除く): 23053580

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2903, 3718, 5806, 7436, 11612, 31933, 37739, 63866, 75478, 127732, 150956, 415129, 490607, 830258, 981214, 1660516, 1962428, 5396677, 10793354, 21586708]

約数ペア:

[(1, 21586708), (2, 10793354), (4, 5396677), (11, 1962428), (13, 1660516), (22, 981214), (26, 830258), (44, 490607), (52, 415129), (143, 150956), (169, 127732), (286, 75478), (338, 63866), (572, 37739), (676, 31933), (1859, 11612), (2903, 7436), (3718, 5806)]