21644480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 168

約数和(自身を含む): 62429136

約数和(自身を除く): 40784656

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 43, 44, 52, 55, 64, 65, 80, 86, 88, 104, 110, 121, 130, 143, 160, 172, 176, 208, 215, 220, 242, 260, 286, 320, 344, 352, 416, 430, 440, 473, 484, 520, 559, 572, 605, 688, 704, 715, 832, 860, 880, 946, 968, 1040, 1118, 1144, 1210, 1376, 1430, 1573, 1720, 1760, 1892, 1936, 2080, 2236, 2288, 2365, 2420, 2752, 2795, 2860, 3146, 3440, 3520, 3784, 3872, 4160, 4472, 4576, 4730, 4840, 5203, 5590, 5720, 6149, 6292, 6880, 7568, 7744, 7865, 8944, 9152, 9460, 9680, 10406, 11180, 11440, 12298, 12584, 13760, 15136, 15730, 17888, 18920, 19360, 20812, 22360, 22880, 24596, 25168, 26015, 30272, 30745, 31460, 35776, 37840, 38720, 41624, 44720, 45760, 49192, 50336, 52030, 61490, 62920, 67639, 75680, 83248, 89440, 98384, 100672, 104060, 122980, 125840, 135278, 151360, 166496, 178880, 196768, 208120, 245960, 251680, 270556, 332992, 338195, 393536, 416240, 491920, 503360, 541112, 676390, 832480, 983840, 1082224, 1352780, 1664960, 1967680, 2164448, 2705560, 4328896, 5411120, 10822240, 21644480]

約数ペア:

[(1, 21644480), (2, 10822240), (4, 5411120), (5, 4328896), (8, 2705560), (10, 2164448), (11, 1967680), (13, 1664960), (16, 1352780), (20, 1082224), (22, 983840), (26, 832480), (32, 676390), (40, 541112), (43, 503360), (44, 491920), (52, 416240), (55, 393536), (64, 338195), (65, 332992), (80, 270556), (86, 251680), (88, 245960), (104, 208120), (110, 196768), (121, 178880), (130, 166496), (143, 151360), (160, 135278), (172, 125840), (176, 122980), (208, 104060), (215, 100672), (220, 98384), (242, 89440), (260, 83248), (286, 75680), (320, 67639), (344, 62920), (352, 61490), (416, 52030), (430, 50336), (440, 49192), (473, 45760), (484, 44720), (520, 41624), (559, 38720), (572, 37840), (605, 35776), (688, 31460), (704, 30745), (715, 30272), (832, 26015), (860, 25168), (880, 24596), (946, 22880), (968, 22360), (1040, 20812), (1118, 19360), (1144, 18920), (1210, 17888), (1376, 15730), (1430, 15136), (1573, 13760), (1720, 12584), (1760, 12298), (1892, 11440), (1936, 11180), (2080, 10406), (2236, 9680), (2288, 9460), (2365, 9152), (2420, 8944), (2752, 7865), (2795, 7744), (2860, 7568), (3146, 6880), (3440, 6292), (3520, 6149), (3784, 5720), (3872, 5590), (4160, 5203), (4472, 4840), (4576, 4730)]