21539952

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:460

約数の個数: 160

約数和(自身を含む): 74995200

約数和(自身を除く): 53455248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 84, 102, 108, 112, 119, 126, 136, 144, 153, 168, 189, 204, 216, 238, 252, 272, 306, 336, 357, 378, 408, 419, 432, 459, 476, 504, 612, 714, 756, 816, 838, 918, 952, 1008, 1071, 1224, 1257, 1428, 1512, 1676, 1836, 1904, 2142, 2448, 2514, 2856, 2933, 3024, 3213, 3352, 3672, 3771, 4284, 5028, 5712, 5866, 6426, 6704, 7123, 7344, 7542, 8568, 8799, 10056, 11313, 11732, 12852, 14246, 15084, 17136, 17598, 20112, 21369, 22626, 23464, 25704, 26397, 28492, 30168, 35196, 42738, 45252, 46928, 49861, 51408, 52794, 56984, 60336, 64107, 70392, 79191, 85476, 90504, 99722, 105588, 113968, 128214, 140784, 149583, 158382, 170952, 181008, 192321, 199444, 211176, 256428, 299166, 316764, 341904, 384642, 398888, 422352, 448749, 512856, 598332, 633528, 769284, 797776, 897498, 1025712, 1196664, 1267056, 1346247, 1538568, 1794996, 2393328, 2692494, 3077136, 3589992, 5384988, 7179984, 10769976, 21539952]

約数ペア:

[(1, 21539952), (2, 10769976), (3, 7179984), (4, 5384988), (6, 3589992), (7, 3077136), (8, 2692494), (9, 2393328), (12, 1794996), (14, 1538568), (16, 1346247), (17, 1267056), (18, 1196664), (21, 1025712), (24, 897498), (27, 797776), (28, 769284), (34, 633528), (36, 598332), (42, 512856), (48, 448749), (51, 422352), (54, 398888), (56, 384642), (63, 341904), (68, 316764), (72, 299166), (84, 256428), (102, 211176), (108, 199444), (112, 192321), (119, 181008), (126, 170952), (136, 158382), (144, 149583), (153, 140784), (168, 128214), (189, 113968), (204, 105588), (216, 99722), (238, 90504), (252, 85476), (272, 79191), (306, 70392), (336, 64107), (357, 60336), (378, 56984), (408, 52794), (419, 51408), (432, 49861), (459, 46928), (476, 45252), (504, 42738), (612, 35196), (714, 30168), (756, 28492), (816, 26397), (838, 25704), (918, 23464), (952, 22626), (1008, 21369), (1071, 20112), (1224, 17598), (1257, 17136), (1428, 15084), (1512, 14246), (1676, 12852), (1836, 11732), (1904, 11313), (2142, 10056), (2448, 8799), (2514, 8568), (2856, 7542), (2933, 7344), (3024, 7123), (3213, 6704), (3352, 6426), (3672, 5866), (3771, 5712), (4284, 5028)]