21935641168

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{49747}}^1$

素因数の和:49920

約数の個数: 80

約数和(自身を含む): 50534416384

約数和(自身を除く): 28598775216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 127, 217, 248, 254, 434, 496, 508, 868, 889, 1016, 1736, 1778, 2032, 3472, 3556, 3937, 7112, 7874, 14224, 15748, 27559, 31496, 49747, 55118, 62992, 99494, 110236, 198988, 220472, 348229, 397976, 440944, 696458, 795952, 1392916, 1542157, 2785832, 3084314, 5571664, 6168628, 6317869, 10795099, 12337256, 12635738, 21590198, 24674512, 25271476, 43180396, 44225083, 50542952, 86360792, 88450166, 101085904, 172721584, 176900332, 195853939, 353800664, 391707878, 707601328, 783415756, 1370977573, 1566831512, 2741955146, 3133663024, 5483910292, 10967820584, 21935641168]

約数ペア:

[(1, 21935641168), (2, 10967820584), (4, 5483910292), (7, 3133663024), (8, 2741955146), (14, 1566831512), (16, 1370977573), (28, 783415756), (31, 707601328), (56, 391707878), (62, 353800664), (112, 195853939), (124, 176900332), (127, 172721584), (217, 101085904), (248, 88450166), (254, 86360792), (434, 50542952), (496, 44225083), (508, 43180396), (868, 25271476), (889, 24674512), (1016, 21590198), (1736, 12635738), (1778, 12337256), (2032, 10795099), (3472, 6317869), (3556, 6168628), (3937, 5571664), (7112, 3084314), (7874, 2785832), (14224, 1542157), (15748, 1392916), (27559, 795952), (31496, 696458), (49747, 440944), (55118, 397976), (62992, 348229), (99494, 220472), (110236, 198988)]