21018036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134731}}^1$

素因数の和:134751

約数の個数: 24

約数和(自身を含む): 52814944

約数和(自身を除く): 31796908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134731, 269462, 404193, 538924, 808386, 1616772, 1751503, 3503006, 5254509, 7006012, 10509018, 21018036]

約数ペア:

[(1, 21018036), (2, 10509018), (3, 7006012), (4, 5254509), (6, 3503006), (12, 1751503), (13, 1616772), (26, 808386), (39, 538924), (52, 404193), (78, 269462), (156, 134731)]