21090417984

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^1\times {\mathrm{393713}}^1$

素因数の和:393765

約数の個数: 112

約数和(自身を含む): 64002147840

約数和(自身を除く): 42911729856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 372, 432, 496, 558, 576, 744, 837, 864, 992, 1116, 1488, 1674, 1728, 1984, 2232, 2976, 3348, 4464, 5952, 6696, 8928, 13392, 17856, 26784, 53568, 393713, 787426, 1181139, 1574852, 2362278, 3149704, 3543417, 4724556, 6299408, 7086834, 9449112, 10630251, 12205103, 12598816, 14173668, 18898224, 21260502, 24410206, 25197632, 28347336, 36615309, 37796448, 42521004, 48820412, 56694672, 73230618, 75592896, 85042008, 97640824, 109845927, 113389344, 146461236, 170084016, 195281648, 219691854, 226778688, 292922472, 329537781, 340168032, 390563296, 439383708, 585844944, 659075562, 680336064, 781126592, 878767416, 1171689888, 1318151124, 1757534832, 2343379776, 2636302248, 3515069664, 5272604496, 7030139328, 10545208992, 21090417984]

約数ペア:

[(1, 21090417984), (2, 10545208992), (3, 7030139328), (4, 5272604496), (6, 3515069664), (8, 2636302248), (9, 2343379776), (12, 1757534832), (16, 1318151124), (18, 1171689888), (24, 878767416), (27, 781126592), (31, 680336064), (32, 659075562), (36, 585844944), (48, 439383708), (54, 390563296), (62, 340168032), (64, 329537781), (72, 292922472), (93, 226778688), (96, 219691854), (108, 195281648), (124, 170084016), (144, 146461236), (186, 113389344), (192, 109845927), (216, 97640824), (248, 85042008), (279, 75592896), (288, 73230618), (372, 56694672), (432, 48820412), (496, 42521004), (558, 37796448), (576, 36615309), (744, 28347336), (837, 25197632), (864, 24410206), (992, 21260502), (1116, 18898224), (1488, 14173668), (1674, 12598816), (1728, 12205103), (1984, 10630251), (2232, 9449112), (2976, 7086834), (3348, 6299408), (4464, 4724556), (5952, 3543417), (6696, 3149704), (8928, 2362278), (13392, 1574852), (17856, 1181139), (26784, 787426), (53568, 393713)]