21524264

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 44234100

約数和(自身を除く): 22709836

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 257, 361, 514, 551, 722, 1028, 1102, 1444, 2056, 2204, 2888, 4408, 4883, 7453, 9766, 10469, 14906, 19532, 20938, 29812, 39064, 41876, 59624, 83752, 92777, 141607, 185554, 283214, 371108, 566428, 742216, 1132856, 2690533, 5381066, 10762132, 21524264]

約数ペア:

[(1, 21524264), (2, 10762132), (4, 5381066), (8, 2690533), (19, 1132856), (29, 742216), (38, 566428), (58, 371108), (76, 283214), (116, 185554), (152, 141607), (232, 92777), (257, 83752), (361, 59624), (514, 41876), (551, 39064), (722, 29812), (1028, 20938), (1102, 19532), (1444, 14906), (2056, 10469), (2204, 9766), (2888, 7453), (4408, 4883)]