21874447870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{243401}}^1$

素因数の和:243481

約数の個数: 64

約数和(自身を含む): 46265852160

約数和(自身を除く): 24391404290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 209, 215, 418, 430, 473, 817, 946, 1045, 1634, 2090, 2365, 4085, 4730, 8170, 8987, 17974, 44935, 89870, 243401, 486802, 1217005, 2434010, 2677411, 4624619, 5354822, 9249238, 10466243, 13387055, 20932486, 23123095, 26774110, 46246190, 50870809, 52331215, 101741618, 104662430, 115128673, 198858617, 230257346, 254354045, 397717234, 508708090, 575643365, 994293085, 1151286730, 1988586170, 2187444787, 4374889574, 10937223935, 21874447870]

約数ペア:

[(1, 21874447870), (2, 10937223935), (5, 4374889574), (10, 2187444787), (11, 1988586170), (19, 1151286730), (22, 994293085), (38, 575643365), (43, 508708090), (55, 397717234), (86, 254354045), (95, 230257346), (110, 198858617), (190, 115128673), (209, 104662430), (215, 101741618), (418, 52331215), (430, 50870809), (473, 46246190), (817, 26774110), (946, 23123095), (1045, 20932486), (1634, 13387055), (2090, 10466243), (2365, 9249238), (4085, 5354822), (4730, 4624619), (8170, 2677411), (8987, 2434010), (17974, 1217005), (44935, 486802), (89870, 243401)]