21374544

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 39335856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1019, 1104, 1311, 1748, 2038, 2622, 3057, 3496, 4076, 5244, 6114, 6992, 8152, 10488, 12228, 16304, 19361, 20976, 23437, 24456, 38722, 46874, 48912, 58083, 70311, 77444, 93748, 116166, 140622, 154888, 187496, 232332, 281244, 309776, 374992, 445303, 464664, 562488, 890606, 929328, 1124976, 1335909, 1781212, 2671818, 3562424, 5343636, 7124848, 10687272, 21374544]

約数ペア:

[(1, 21374544), (2, 10687272), (3, 7124848), (4, 5343636), (6, 3562424), (8, 2671818), (12, 1781212), (16, 1335909), (19, 1124976), (23, 929328), (24, 890606), (38, 562488), (46, 464664), (48, 445303), (57, 374992), (69, 309776), (76, 281244), (92, 232332), (114, 187496), (138, 154888), (152, 140622), (184, 116166), (228, 93748), (276, 77444), (304, 70311), (368, 58083), (437, 48912), (456, 46874), (552, 38722), (874, 24456), (912, 23437), (1019, 20976), (1104, 19361), (1311, 16304), (1748, 12228), (2038, 10488), (2622, 8152), (3057, 6992), (3496, 6114), (4076, 5244)]