21837648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 65202176

約数和(自身を除く): 43364528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 618, 631, 721, 824, 1236, 1262, 1442, 1648, 1893, 2163, 2472, 2524, 2884, 3786, 4326, 4417, 4944, 5048, 5768, 7572, 8652, 8834, 10096, 11536, 13251, 15144, 17304, 17668, 26502, 30288, 34608, 35336, 53004, 64993, 70672, 106008, 129986, 194979, 212016, 259972, 389958, 454951, 519944, 779916, 909902, 1039888, 1364853, 1559832, 1819804, 2729706, 3119664, 3639608, 5459412, 7279216, 10918824, 21837648]

約数ペア:

[(1, 21837648), (2, 10918824), (3, 7279216), (4, 5459412), (6, 3639608), (7, 3119664), (8, 2729706), (12, 1819804), (14, 1559832), (16, 1364853), (21, 1039888), (24, 909902), (28, 779916), (42, 519944), (48, 454951), (56, 389958), (84, 259972), (103, 212016), (112, 194979), (168, 129986), (206, 106008), (309, 70672), (336, 64993), (412, 53004), (618, 35336), (631, 34608), (721, 30288), (824, 26502), (1236, 17668), (1262, 17304), (1442, 15144), (1648, 13251), (1893, 11536), (2163, 10096), (2472, 8834), (2524, 8652), (2884, 7572), (3786, 5768), (4326, 5048), (4417, 4944)]