21611352

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 70917120

約数和(自身を除く): 49305768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 47, 49, 51, 56, 68, 69, 84, 92, 94, 98, 102, 119, 136, 138, 141, 147, 161, 168, 184, 188, 196, 204, 238, 276, 282, 294, 322, 329, 357, 376, 391, 392, 408, 476, 483, 552, 564, 588, 644, 658, 714, 782, 799, 833, 952, 966, 987, 1081, 1127, 1128, 1173, 1176, 1288, 1316, 1428, 1564, 1598, 1666, 1932, 1974, 2162, 2254, 2303, 2346, 2397, 2499, 2632, 2737, 2856, 3128, 3196, 3243, 3332, 3381, 3864, 3948, 4324, 4508, 4606, 4692, 4794, 4998, 5474, 5593, 6392, 6486, 6664, 6762, 6909, 7567, 7896, 8211, 8648, 9016, 9212, 9384, 9588, 9996, 10948, 11186, 12972, 13524, 13818, 15134, 16422, 16779, 18377, 18424, 19159, 19176, 19992, 21896, 22372, 22701, 25944, 27048, 27636, 30268, 32844, 33558, 36754, 38318, 39151, 44744, 45402, 52969, 55131, 55272, 57477, 60536, 65688, 67116, 73508, 76636, 78302, 90804, 105938, 110262, 114954, 117453, 128639, 134232, 147016, 153272, 156604, 158907, 181608, 211876, 220524, 229908, 234906, 257278, 313208, 317814, 385917, 423752, 441048, 459816, 469812, 514556, 635628, 771834, 900473, 939624, 1029112, 1271256, 1543668, 1800946, 2701419, 3087336, 3601892, 5402838, 7203784, 10805676, 21611352]

約数ペア:

[(1, 21611352), (2, 10805676), (3, 7203784), (4, 5402838), (6, 3601892), (7, 3087336), (8, 2701419), (12, 1800946), (14, 1543668), (17, 1271256), (21, 1029112), (23, 939624), (24, 900473), (28, 771834), (34, 635628), (42, 514556), (46, 469812), (47, 459816), (49, 441048), (51, 423752), (56, 385917), (68, 317814), (69, 313208), (84, 257278), (92, 234906), (94, 229908), (98, 220524), (102, 211876), (119, 181608), (136, 158907), (138, 156604), (141, 153272), (147, 147016), (161, 134232), (168, 128639), (184, 117453), (188, 114954), (196, 110262), (204, 105938), (238, 90804), (276, 78302), (282, 76636), (294, 73508), (322, 67116), (329, 65688), (357, 60536), (376, 57477), (391, 55272), (392, 55131), (408, 52969), (476, 45402), (483, 44744), (552, 39151), (564, 38318), (588, 36754), (644, 33558), (658, 32844), (714, 30268), (782, 27636), (799, 27048), (833, 25944), (952, 22701), (966, 22372), (987, 21896), (1081, 19992), (1127, 19176), (1128, 19159), (1173, 18424), (1176, 18377), (1288, 16779), (1316, 16422), (1428, 15134), (1564, 13818), (1598, 13524), (1666, 12972), (1932, 11186), (1974, 10948), (2162, 9996), (2254, 9588), (2303, 9384), (2346, 9212), (2397, 9016), (2499, 8648), (2632, 8211), (2737, 7896), (2856, 7567), (3128, 6909), (3196, 6762), (3243, 6664), (3332, 6486), (3381, 6392), (3864, 5593), (3948, 5474), (4324, 4998), (4508, 4794), (4606, 4692)]