21068271808

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:702

約数の個数: 112

約数和(自身を含む): 43521343488

約数和(自身を除く): 22453071680

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 127, 164, 191, 254, 328, 331, 382, 508, 656, 662, 764, 1016, 1312, 1324, 1528, 2032, 2624, 2648, 3056, 4064, 5207, 5296, 6112, 7831, 8128, 10414, 10592, 12224, 13571, 15662, 20828, 21184, 24257, 27142, 31324, 41656, 42037, 48514, 54284, 62648, 63221, 83312, 84074, 97028, 108568, 125296, 126442, 166624, 168148, 194056, 217136, 250592, 252884, 333248, 336296, 388112, 434272, 501184, 505768, 672592, 776224, 868544, 994537, 1011536, 1345184, 1552448, 1723517, 1989074, 2023072, 2592061, 2690368, 3447034, 3978148, 4046144, 5184122, 6894068, 7956296, 8029067, 10368244, 13788136, 15912592, 16058134, 20736488, 27576272, 31825184, 32116268, 41472976, 55152544, 63650368, 64232536, 82945952, 110305088, 128465072, 165891904, 256930144, 329191747, 513860288, 658383494, 1316766988, 2633533976, 5267067952, 10534135904, 21068271808]

約数ペア:

[(1, 21068271808), (2, 10534135904), (4, 5267067952), (8, 2633533976), (16, 1316766988), (32, 658383494), (41, 513860288), (64, 329191747), (82, 256930144), (127, 165891904), (164, 128465072), (191, 110305088), (254, 82945952), (328, 64232536), (331, 63650368), (382, 55152544), (508, 41472976), (656, 32116268), (662, 31825184), (764, 27576272), (1016, 20736488), (1312, 16058134), (1324, 15912592), (1528, 13788136), (2032, 10368244), (2624, 8029067), (2648, 7956296), (3056, 6894068), (4064, 5184122), (5207, 4046144), (5296, 3978148), (6112, 3447034), (7831, 2690368), (8128, 2592061), (10414, 2023072), (10592, 1989074), (12224, 1723517), (13571, 1552448), (15662, 1345184), (20828, 1011536), (21184, 994537), (24257, 868544), (27142, 776224), (31324, 672592), (41656, 505768), (42037, 501184), (48514, 434272), (54284, 388112), (62648, 336296), (63221, 333248), (83312, 252884), (84074, 250592), (97028, 217136), (108568, 194056), (125296, 168148), (126442, 166624)]