21628464

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 68995584

約数和(自身を除く): 47367120

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 23, 24, 26, 33, 39, 44, 46, 48, 52, 66, 69, 78, 88, 92, 104, 132, 137, 138, 143, 156, 176, 184, 208, 253, 264, 274, 276, 286, 299, 312, 368, 411, 429, 506, 528, 548, 552, 572, 598, 624, 759, 822, 858, 897, 1012, 1096, 1104, 1144, 1196, 1507, 1518, 1644, 1716, 1781, 1794, 2024, 2192, 2288, 2392, 3014, 3036, 3151, 3288, 3289, 3432, 3562, 3588, 4048, 4521, 4784, 5343, 6028, 6072, 6302, 6576, 6578, 6864, 7124, 7176, 9042, 9453, 9867, 10686, 12056, 12144, 12604, 13156, 14248, 14352, 18084, 18906, 19591, 19734, 21372, 24112, 25208, 26312, 28496, 34661, 36168, 37812, 39182, 39468, 40963, 42744, 50416, 52624, 58773, 69322, 72336, 75624, 78364, 78936, 81926, 85488, 103983, 117546, 122889, 138644, 151248, 156728, 157872, 163852, 207966, 235092, 245778, 277288, 313456, 327704, 415932, 450593, 470184, 491556, 554576, 655408, 831864, 901186, 940368, 983112, 1351779, 1663728, 1802372, 1966224, 2703558, 3604744, 5407116, 7209488, 10814232, 21628464]

約数ペア:

[(1, 21628464), (2, 10814232), (3, 7209488), (4, 5407116), (6, 3604744), (8, 2703558), (11, 1966224), (12, 1802372), (13, 1663728), (16, 1351779), (22, 983112), (23, 940368), (24, 901186), (26, 831864), (33, 655408), (39, 554576), (44, 491556), (46, 470184), (48, 450593), (52, 415932), (66, 327704), (69, 313456), (78, 277288), (88, 245778), (92, 235092), (104, 207966), (132, 163852), (137, 157872), (138, 156728), (143, 151248), (156, 138644), (176, 122889), (184, 117546), (208, 103983), (253, 85488), (264, 81926), (274, 78936), (276, 78364), (286, 75624), (299, 72336), (312, 69322), (368, 58773), (411, 52624), (429, 50416), (506, 42744), (528, 40963), (548, 39468), (552, 39182), (572, 37812), (598, 36168), (624, 34661), (759, 28496), (822, 26312), (858, 25208), (897, 24112), (1012, 21372), (1096, 19734), (1104, 19591), (1144, 18906), (1196, 18084), (1507, 14352), (1518, 14248), (1644, 13156), (1716, 12604), (1781, 12144), (1794, 12056), (2024, 10686), (2192, 9867), (2288, 9453), (2392, 9042), (3014, 7176), (3036, 7124), (3151, 6864), (3288, 6578), (3289, 6576), (3432, 6302), (3562, 6072), (3588, 6028), (4048, 5343), (4521, 4784)]