21145224

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 55319040

約数和(自身を除く): 34173816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 97, 124, 186, 194, 248, 291, 293, 372, 388, 582, 586, 744, 776, 879, 1164, 1172, 1758, 2328, 2344, 3007, 3516, 6014, 7032, 9021, 9083, 12028, 18042, 18166, 24056, 27249, 28421, 36084, 36332, 54498, 56842, 72168, 72664, 85263, 108996, 113684, 170526, 217992, 227368, 341052, 682104, 881051, 1762102, 2643153, 3524204, 5286306, 7048408, 10572612, 21145224]

約数ペア:

[(1, 21145224), (2, 10572612), (3, 7048408), (4, 5286306), (6, 3524204), (8, 2643153), (12, 1762102), (24, 881051), (31, 682104), (62, 341052), (93, 227368), (97, 217992), (124, 170526), (186, 113684), (194, 108996), (248, 85263), (291, 72664), (293, 72168), (372, 56842), (388, 54498), (582, 36332), (586, 36084), (744, 28421), (776, 27249), (879, 24056), (1164, 18166), (1172, 18042), (1758, 12028), (2328, 9083), (2344, 9021), (3007, 7032), (3516, 6014)]