21000687182

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1\times {\mathrm{7103}}^1$

素因数の和:8288

約数の個数: 32

約数和(自身を含む): 33308098560

約数和(自身を除く): 12307411378

約数列:

[1, 2, 31, 43, 62, 86, 1109, 1333, 2218, 2666, 7103, 14206, 34379, 47687, 68758, 95374, 220193, 305429, 440386, 610858, 1478297, 2956594, 7877227, 9468299, 15754454, 18936598, 244194037, 338720761, 488388074, 677441522, 10500343591, 21000687182]

約数ペア:

[(1, 21000687182), (2, 10500343591), (31, 677441522), (43, 488388074), (62, 338720761), (86, 244194037), (1109, 18936598), (1333, 15754454), (2218, 9468299), (2666, 7877227), (7103, 2956594), (14206, 1478297), (34379, 610858), (47687, 440386), (68758, 305429), (95374, 220193)]