21437778824

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{70879}}^1$

素因数の和:71394

約数の個数: 64

約数和(自身を含む): 50217062400

約数和(自身を除く): 28779283576

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 491, 616, 982, 1964, 3437, 3928, 5401, 6874, 10802, 13748, 21604, 27496, 37807, 43208, 70879, 75614, 141758, 151228, 283516, 302456, 496153, 567032, 779669, 992306, 1559338, 1984612, 3118676, 3969224, 5457683, 6237352, 10915366, 21830732, 34801589, 43661464, 69603178, 139206356, 243611123, 278412712, 382817479, 487222246, 765634958, 974444492, 1531269916, 1948888984, 2679722353, 3062539832, 5359444706, 10718889412, 21437778824]

約数ペア:

[(1, 21437778824), (2, 10718889412), (4, 5359444706), (7, 3062539832), (8, 2679722353), (11, 1948888984), (14, 1531269916), (22, 974444492), (28, 765634958), (44, 487222246), (56, 382817479), (77, 278412712), (88, 243611123), (154, 139206356), (308, 69603178), (491, 43661464), (616, 34801589), (982, 21830732), (1964, 10915366), (3437, 6237352), (3928, 5457683), (5401, 3969224), (6874, 3118676), (10802, 1984612), (13748, 1559338), (21604, 992306), (27496, 779669), (37807, 567032), (43208, 496153), (70879, 302456), (75614, 283516), (141758, 151228)]