21503328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2940

約数の個数: 96

約数和(自身を含む): 70398720

約数和(自身を除く): 48895392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 224, 231, 264, 308, 336, 352, 462, 528, 616, 672, 924, 1056, 1232, 1848, 2464, 2909, 3696, 5818, 7392, 8727, 11636, 17454, 20363, 23272, 31999, 34908, 40726, 46544, 61089, 63998, 69816, 81452, 93088, 95997, 122178, 127996, 139632, 162904, 191994, 223993, 244356, 255992, 279264, 325808, 383988, 447986, 488712, 511984, 651616, 671979, 767976, 895972, 977424, 1023968, 1343958, 1535952, 1791944, 1954848, 2687916, 3071904, 3583888, 5375832, 7167776, 10751664, 21503328]

約数ペア:

[(1, 21503328), (2, 10751664), (3, 7167776), (4, 5375832), (6, 3583888), (7, 3071904), (8, 2687916), (11, 1954848), (12, 1791944), (14, 1535952), (16, 1343958), (21, 1023968), (22, 977424), (24, 895972), (28, 767976), (32, 671979), (33, 651616), (42, 511984), (44, 488712), (48, 447986), (56, 383988), (66, 325808), (77, 279264), (84, 255992), (88, 244356), (96, 223993), (112, 191994), (132, 162904), (154, 139632), (168, 127996), (176, 122178), (224, 95997), (231, 93088), (264, 81452), (308, 69816), (336, 63998), (352, 61089), (462, 46544), (528, 40726), (616, 34908), (672, 31999), (924, 23272), (1056, 20363), (1232, 17454), (1848, 11636), (2464, 8727), (2909, 7392), (3696, 5818)]