21145806

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 30786354

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 97, 99, 194, 198, 291, 297, 367, 582, 594, 734, 873, 1067, 1101, 1746, 2134, 2202, 2619, 3201, 3303, 4037, 5238, 6402, 6606, 8074, 9603, 9909, 12111, 19206, 19818, 24222, 28809, 35599, 36333, 57618, 71198, 72666, 106797, 108999, 213594, 217998, 320391, 391589, 640782, 783178, 961173, 1174767, 1922346, 2349534, 3524301, 7048602, 10572903, 21145806]

約数ペア:

[(1, 21145806), (2, 10572903), (3, 7048602), (6, 3524301), (9, 2349534), (11, 1922346), (18, 1174767), (22, 961173), (27, 783178), (33, 640782), (54, 391589), (66, 320391), (97, 217998), (99, 213594), (194, 108999), (198, 106797), (291, 72666), (297, 71198), (367, 57618), (582, 36333), (594, 35599), (734, 28809), (873, 24222), (1067, 19818), (1101, 19206), (1746, 12111), (2134, 9909), (2202, 9603), (2619, 8074), (3201, 6606), (3303, 6402), (4037, 5238)]