21418232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 25756168

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 103, 136, 139, 187, 206, 278, 374, 412, 556, 748, 824, 1112, 1133, 1496, 1529, 1751, 2266, 2363, 3058, 3502, 4532, 4726, 6116, 7004, 9064, 9452, 12232, 14008, 14317, 18904, 19261, 25993, 28634, 38522, 51986, 57268, 77044, 103972, 114536, 154088, 157487, 207944, 243389, 314974, 486778, 629948, 973556, 1259896, 1947112, 2677279, 5354558, 10709116, 21418232]

約数ペア:

[(1, 21418232), (2, 10709116), (4, 5354558), (8, 2677279), (11, 1947112), (17, 1259896), (22, 973556), (34, 629948), (44, 486778), (68, 314974), (88, 243389), (103, 207944), (136, 157487), (139, 154088), (187, 114536), (206, 103972), (278, 77044), (374, 57268), (412, 51986), (556, 38522), (748, 28634), (824, 25993), (1112, 19261), (1133, 18904), (1496, 14317), (1529, 14008), (1751, 12232), (2266, 9452), (2363, 9064), (3058, 7004), (3502, 6116), (4532, 4726)]