21343622416

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{155893}}^1$

素因数の和:156143

約数の個数: 40

約数和(自身を含む): 42527883200

約数和(自身を除く): 21184260784

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 199, 344, 398, 688, 796, 1592, 3184, 8557, 17114, 34228, 68456, 136912, 155893, 311786, 623572, 1247144, 2494288, 6703399, 13406798, 26813596, 31022707, 53627192, 62045414, 107254384, 124090828, 248181656, 496363312, 1333976401, 2667952802, 5335905604, 10671811208, 21343622416]

約数ペア:

[(1, 21343622416), (2, 10671811208), (4, 5335905604), (8, 2667952802), (16, 1333976401), (43, 496363312), (86, 248181656), (172, 124090828), (199, 107254384), (344, 62045414), (398, 53627192), (688, 31022707), (796, 26813596), (1592, 13406798), (3184, 6703399), (8557, 2494288), (17114, 1247144), (34228, 623572), (68456, 311786), (136912, 155893)]