21646548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 74188800

約数和(自身を除く): 52542252

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 27, 28, 33, 36, 38, 42, 44, 54, 57, 63, 66, 76, 77, 84, 99, 108, 114, 126, 132, 133, 137, 154, 171, 189, 198, 209, 228, 231, 252, 266, 274, 297, 308, 342, 378, 396, 399, 411, 418, 462, 513, 532, 548, 594, 627, 684, 693, 756, 798, 822, 836, 924, 959, 1026, 1188, 1197, 1233, 1254, 1386, 1463, 1507, 1596, 1644, 1881, 1918, 2052, 2079, 2394, 2466, 2508, 2603, 2772, 2877, 2926, 3014, 3591, 3699, 3762, 3836, 4158, 4389, 4521, 4788, 4932, 5206, 5643, 5754, 5852, 6028, 7182, 7398, 7524, 7809, 8316, 8631, 8778, 9042, 10412, 10549, 11286, 11508, 13167, 13563, 14364, 14796, 15618, 17262, 17556, 18084, 18221, 21098, 22572, 23427, 25893, 26334, 27126, 28633, 31236, 31647, 34524, 36442, 39501, 40689, 42196, 46854, 51786, 52668, 54252, 54663, 57266, 63294, 70281, 72884, 79002, 81378, 85899, 93708, 94941, 103572, 109326, 114532, 126588, 140562, 158004, 162756, 163989, 171798, 189882, 200431, 218652, 257697, 281124, 284823, 327978, 343596, 379764, 400862, 491967, 515394, 569646, 601293, 655956, 773091, 801724, 983934, 1030788, 1139292, 1202586, 1546182, 1803879, 1967868, 2405172, 3092364, 3607758, 5411637, 7215516, 10823274, 21646548]

約数ペア:

[(1, 21646548), (2, 10823274), (3, 7215516), (4, 5411637), (6, 3607758), (7, 3092364), (9, 2405172), (11, 1967868), (12, 1803879), (14, 1546182), (18, 1202586), (19, 1139292), (21, 1030788), (22, 983934), (27, 801724), (28, 773091), (33, 655956), (36, 601293), (38, 569646), (42, 515394), (44, 491967), (54, 400862), (57, 379764), (63, 343596), (66, 327978), (76, 284823), (77, 281124), (84, 257697), (99, 218652), (108, 200431), (114, 189882), (126, 171798), (132, 163989), (133, 162756), (137, 158004), (154, 140562), (171, 126588), (189, 114532), (198, 109326), (209, 103572), (228, 94941), (231, 93708), (252, 85899), (266, 81378), (274, 79002), (297, 72884), (308, 70281), (342, 63294), (378, 57266), (396, 54663), (399, 54252), (411, 52668), (418, 51786), (462, 46854), (513, 42196), (532, 40689), (548, 39501), (594, 36442), (627, 34524), (684, 31647), (693, 31236), (756, 28633), (798, 27126), (822, 26334), (836, 25893), (924, 23427), (959, 22572), (1026, 21098), (1188, 18221), (1197, 18084), (1233, 17556), (1254, 17262), (1386, 15618), (1463, 14796), (1507, 14364), (1596, 13563), (1644, 13167), (1881, 11508), (1918, 11286), (2052, 10549), (2079, 10412), (2394, 9042), (2466, 8778), (2508, 8631), (2603, 8316), (2772, 7809), (2877, 7524), (2926, 7398), (3014, 7182), (3591, 6028), (3699, 5852), (3762, 5754), (3836, 5643), (4158, 5206), (4389, 4932), (4521, 4788)]