21546798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 58490880

約数和(自身を除く): 36944082

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 31, 38, 39, 42, 57, 62, 67, 78, 91, 93, 114, 133, 134, 182, 186, 201, 217, 247, 266, 273, 399, 402, 403, 434, 469, 494, 546, 589, 651, 741, 798, 806, 871, 938, 1178, 1209, 1273, 1302, 1407, 1482, 1729, 1742, 1767, 2077, 2418, 2546, 2613, 2814, 2821, 3458, 3534, 3819, 4123, 4154, 5187, 5226, 5642, 6097, 6231, 7638, 7657, 8246, 8463, 8911, 10374, 12194, 12369, 12462, 14539, 15314, 16549, 16926, 17822, 18291, 22971, 24738, 26733, 27001, 29078, 33098, 36582, 39463, 43617, 45942, 49647, 53466, 53599, 54002, 78926, 81003, 87234, 99294, 107198, 115843, 118389, 160797, 162006, 189007, 231686, 236778, 276241, 321594, 347529, 378014, 513019, 552482, 567021, 695058, 828723, 1026038, 1134042, 1539057, 1657446, 3078114, 3591133, 7182266, 10773399, 21546798]

約数ペア:

[(1, 21546798), (2, 10773399), (3, 7182266), (6, 3591133), (7, 3078114), (13, 1657446), (14, 1539057), (19, 1134042), (21, 1026038), (26, 828723), (31, 695058), (38, 567021), (39, 552482), (42, 513019), (57, 378014), (62, 347529), (67, 321594), (78, 276241), (91, 236778), (93, 231686), (114, 189007), (133, 162006), (134, 160797), (182, 118389), (186, 115843), (201, 107198), (217, 99294), (247, 87234), (266, 81003), (273, 78926), (399, 54002), (402, 53599), (403, 53466), (434, 49647), (469, 45942), (494, 43617), (546, 39463), (589, 36582), (651, 33098), (741, 29078), (798, 27001), (806, 26733), (871, 24738), (938, 22971), (1178, 18291), (1209, 17822), (1273, 16926), (1302, 16549), (1407, 15314), (1482, 14539), (1729, 12462), (1742, 12369), (1767, 12194), (2077, 10374), (2418, 8911), (2546, 8463), (2613, 8246), (2814, 7657), (2821, 7638), (3458, 6231), (3534, 6097), (3819, 5642), (4123, 5226), (4154, 5187)]