21571536

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 69836800

約数和(自身を除く): 48265264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 38, 42, 48, 56, 57, 62, 76, 84, 93, 109, 112, 114, 124, 133, 152, 168, 186, 217, 218, 228, 248, 266, 304, 327, 336, 372, 399, 434, 436, 456, 496, 532, 589, 651, 654, 744, 763, 798, 868, 872, 912, 1064, 1178, 1302, 1308, 1488, 1526, 1596, 1736, 1744, 1767, 2071, 2128, 2289, 2356, 2604, 2616, 3052, 3192, 3379, 3472, 3534, 4123, 4142, 4578, 4712, 5208, 5232, 6104, 6213, 6384, 6758, 7068, 8246, 8284, 9156, 9424, 10137, 10416, 12208, 12369, 12426, 13516, 14136, 14497, 16492, 16568, 18312, 20274, 23653, 24738, 24852, 27032, 28272, 28994, 32984, 33136, 36624, 40548, 43491, 47306, 49476, 49704, 54064, 57988, 64201, 65968, 70959, 81096, 86982, 94612, 98952, 99408, 115976, 128402, 141918, 162192, 173964, 189224, 192603, 197904, 231952, 256804, 283836, 347928, 378448, 385206, 449407, 513608, 567672, 695856, 770412, 898814, 1027216, 1135344, 1348221, 1540824, 1797628, 2696442, 3081648, 3595256, 5392884, 7190512, 10785768, 21571536]

約数ペア:

[(1, 21571536), (2, 10785768), (3, 7190512), (4, 5392884), (6, 3595256), (7, 3081648), (8, 2696442), (12, 1797628), (14, 1540824), (16, 1348221), (19, 1135344), (21, 1027216), (24, 898814), (28, 770412), (31, 695856), (38, 567672), (42, 513608), (48, 449407), (56, 385206), (57, 378448), (62, 347928), (76, 283836), (84, 256804), (93, 231952), (109, 197904), (112, 192603), (114, 189224), (124, 173964), (133, 162192), (152, 141918), (168, 128402), (186, 115976), (217, 99408), (218, 98952), (228, 94612), (248, 86982), (266, 81096), (304, 70959), (327, 65968), (336, 64201), (372, 57988), (399, 54064), (434, 49704), (436, 49476), (456, 47306), (496, 43491), (532, 40548), (589, 36624), (651, 33136), (654, 32984), (744, 28994), (763, 28272), (798, 27032), (868, 24852), (872, 24738), (912, 23653), (1064, 20274), (1178, 18312), (1302, 16568), (1308, 16492), (1488, 14497), (1526, 14136), (1596, 13516), (1736, 12426), (1744, 12369), (1767, 12208), (2071, 10416), (2128, 10137), (2289, 9424), (2356, 9156), (2604, 8284), (2616, 8246), (3052, 7068), (3192, 6758), (3379, 6384), (3472, 6213), (3534, 6104), (4123, 5232), (4142, 5208), (4578, 4712)]