21402576

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 160

約数和(自身を含む): 68606720

約数和(自身を除く): 47204144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 37, 39, 48, 52, 54, 72, 74, 78, 103, 104, 108, 111, 117, 144, 148, 156, 206, 208, 216, 222, 234, 296, 309, 312, 333, 351, 412, 432, 444, 468, 481, 592, 618, 624, 666, 702, 824, 888, 927, 936, 962, 999, 1236, 1332, 1339, 1404, 1443, 1648, 1776, 1854, 1872, 1924, 1998, 2472, 2664, 2678, 2781, 2808, 2886, 3708, 3811, 3848, 3996, 4017, 4329, 4944, 5328, 5356, 5562, 5616, 5772, 7416, 7622, 7696, 7992, 8034, 8658, 10712, 11124, 11433, 11544, 12051, 12987, 14832, 15244, 15984, 16068, 17316, 21424, 22248, 22866, 23088, 24102, 25974, 30488, 32136, 34299, 34632, 36153, 44496, 45732, 48204, 49543, 51948, 60976, 64272, 68598, 69264, 72306, 91464, 96408, 99086, 102897, 103896, 137196, 144612, 148629, 182928, 192816, 198172, 205794, 207792, 274392, 289224, 297258, 396344, 411588, 445887, 548784, 578448, 594516, 792688, 823176, 891774, 1189032, 1337661, 1646352, 1783548, 2378064, 2675322, 3567096, 5350644, 7134192, 10701288, 21402576]

約数ペア:

[(1, 21402576), (2, 10701288), (3, 7134192), (4, 5350644), (6, 3567096), (8, 2675322), (9, 2378064), (12, 1783548), (13, 1646352), (16, 1337661), (18, 1189032), (24, 891774), (26, 823176), (27, 792688), (36, 594516), (37, 578448), (39, 548784), (48, 445887), (52, 411588), (54, 396344), (72, 297258), (74, 289224), (78, 274392), (103, 207792), (104, 205794), (108, 198172), (111, 192816), (117, 182928), (144, 148629), (148, 144612), (156, 137196), (206, 103896), (208, 102897), (216, 99086), (222, 96408), (234, 91464), (296, 72306), (309, 69264), (312, 68598), (333, 64272), (351, 60976), (412, 51948), (432, 49543), (444, 48204), (468, 45732), (481, 44496), (592, 36153), (618, 34632), (624, 34299), (666, 32136), (702, 30488), (824, 25974), (888, 24102), (927, 23088), (936, 22866), (962, 22248), (999, 21424), (1236, 17316), (1332, 16068), (1339, 15984), (1404, 15244), (1443, 14832), (1648, 12987), (1776, 12051), (1854, 11544), (1872, 11433), (1924, 11124), (1998, 10712), (2472, 8658), (2664, 8034), (2678, 7992), (2781, 7696), (2808, 7622), (2886, 7416), (3708, 5772), (3811, 5616), (3848, 5562), (3996, 5356), (4017, 5328), (4329, 4944)]