21372912296

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{489217}}^1$

素因数の和:489393

約数の個数: 32

約数和(自身を含む): 41329136640

約数和(自身を除く): 19956224344

約数列:

[1, 2, 4, 8, 43, 86, 127, 172, 254, 344, 508, 1016, 5461, 10922, 21844, 43688, 489217, 978434, 1956868, 3913736, 21036331, 42072662, 62130559, 84145324, 124261118, 168290648, 248522236, 497044472, 2671614037, 5343228074, 10686456148, 21372912296]

約数ペア:

[(1, 21372912296), (2, 10686456148), (4, 5343228074), (8, 2671614037), (43, 497044472), (86, 248522236), (127, 168290648), (172, 124261118), (254, 84145324), (344, 62130559), (508, 42072662), (1016, 21036331), (5461, 3913736), (10922, 1956868), (21844, 978434), (43688, 489217)]