21649000848

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{76561}}^1$

素因数の和:76752

約数の個数: 80

約数和(自身を含む): 57645673536

約数和(自身を除く): 35996672688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 137, 172, 258, 274, 344, 411, 516, 548, 688, 822, 1032, 1096, 1644, 2064, 2192, 3288, 5891, 6576, 11782, 17673, 23564, 35346, 47128, 70692, 76561, 94256, 141384, 153122, 229683, 282768, 306244, 459366, 612488, 918732, 1224976, 1837464, 3292123, 3674928, 6584246, 9876369, 10488857, 13168492, 19752738, 20977714, 26336984, 31466571, 39505476, 41955428, 52673968, 62933142, 79010952, 83910856, 125866284, 158021904, 167821712, 251732568, 451020851, 503465136, 902041702, 1353062553, 1804083404, 2706125106, 3608166808, 5412250212, 7216333616, 10824500424, 21649000848]

約数ペア:

[(1, 21649000848), (2, 10824500424), (3, 7216333616), (4, 5412250212), (6, 3608166808), (8, 2706125106), (12, 1804083404), (16, 1353062553), (24, 902041702), (43, 503465136), (48, 451020851), (86, 251732568), (129, 167821712), (137, 158021904), (172, 125866284), (258, 83910856), (274, 79010952), (344, 62933142), (411, 52673968), (516, 41955428), (548, 39505476), (688, 31466571), (822, 26336984), (1032, 20977714), (1096, 19752738), (1644, 13168492), (2064, 10488857), (2192, 9876369), (3288, 6584246), (5891, 3674928), (6576, 3292123), (11782, 1837464), (17673, 1224976), (23564, 918732), (35346, 612488), (47128, 459366), (70692, 306244), (76561, 282768), (94256, 229683), (141384, 153122)]