21949312

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 58164480

約数和(自身を除く): 36215168

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 88, 112, 119, 128, 131, 136, 154, 176, 187, 224, 238, 262, 272, 308, 352, 374, 448, 476, 524, 544, 616, 704, 748, 896, 917, 952, 1048, 1088, 1232, 1309, 1408, 1441, 1496, 1834, 1904, 2096, 2176, 2227, 2464, 2618, 2882, 2992, 3668, 3808, 4192, 4454, 4928, 5236, 5764, 5984, 7336, 7616, 8384, 8908, 9856, 10087, 10472, 11528, 11968, 14672, 15232, 15589, 16768, 17816, 20174, 20944, 23056, 23936, 24497, 29344, 31178, 35632, 40348, 41888, 46112, 48994, 58688, 62356, 71264, 80696, 83776, 92224, 97988, 117376, 124712, 142528, 161392, 167552, 171479, 184448, 195976, 249424, 285056, 322784, 342958, 391952, 498848, 645568, 685916, 783904, 997696, 1291136, 1371832, 1567808, 1995392, 2743664, 3135616, 5487328, 10974656, 21949312]

約数ペア:

[(1, 21949312), (2, 10974656), (4, 5487328), (7, 3135616), (8, 2743664), (11, 1995392), (14, 1567808), (16, 1371832), (17, 1291136), (22, 997696), (28, 783904), (32, 685916), (34, 645568), (44, 498848), (56, 391952), (64, 342958), (68, 322784), (77, 285056), (88, 249424), (112, 195976), (119, 184448), (128, 171479), (131, 167552), (136, 161392), (154, 142528), (176, 124712), (187, 117376), (224, 97988), (238, 92224), (262, 83776), (272, 80696), (308, 71264), (352, 62356), (374, 58688), (448, 48994), (476, 46112), (524, 41888), (544, 40348), (616, 35632), (704, 31178), (748, 29344), (896, 24497), (917, 23936), (952, 23056), (1048, 20944), (1088, 20174), (1232, 17816), (1309, 16768), (1408, 15589), (1441, 15232), (1496, 14672), (1834, 11968), (1904, 11528), (2096, 10472), (2176, 10087), (2227, 9856), (2464, 8908), (2618, 8384), (2882, 7616), (2992, 7336), (3668, 5984), (3808, 5764), (4192, 5236), (4454, 4928)]