21087184

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13049}}^1$

素因数の和:13158

約数の個数: 20

約数和(自身を含む): 41264100

約数和(自身を除く): 20176916

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13049, 26098, 52196, 104392, 208784, 1317949, 2635898, 5271796, 10543592, 21087184]

約数ペア:

[(1, 21087184), (2, 10543592), (4, 5271796), (8, 2635898), (16, 1317949), (101, 208784), (202, 104392), (404, 52196), (808, 26098), (1616, 13049)]