21471534

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 55841280

約数和(自身を除く): 34369746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 1161, 1321, 1806, 2322, 2642, 2709, 3963, 5418, 7926, 8127, 9247, 11889, 16254, 18494, 23778, 27741, 35667, 55482, 56803, 71334, 83223, 113606, 166446, 170409, 249669, 340818, 397621, 499338, 511227, 795242, 1022454, 1192863, 1533681, 2385726, 3067362, 3578589, 7157178, 10735767, 21471534]

約数ペア:

[(1, 21471534), (2, 10735767), (3, 7157178), (6, 3578589), (7, 3067362), (9, 2385726), (14, 1533681), (18, 1192863), (21, 1022454), (27, 795242), (42, 511227), (43, 499338), (54, 397621), (63, 340818), (86, 249669), (126, 170409), (129, 166446), (189, 113606), (258, 83223), (301, 71334), (378, 56803), (387, 55482), (602, 35667), (774, 27741), (903, 23778), (1161, 18494), (1321, 16254), (1806, 11889), (2322, 9247), (2642, 8127), (2709, 7926), (3963, 5418)]