21209148

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4567}}^1$

素因数の和:4623

約数の個数: 48

約数和(自身を含む): 56277760

約数和(自身を除く): 35068612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4567, 4644, 9134, 13701, 18268, 27402, 41103, 54804, 82206, 123309, 164412, 196381, 246618, 392762, 493236, 589143, 785524, 1178286, 1767429, 2356572, 3534858, 5302287, 7069716, 10604574, 21209148]

約数ペア:

[(1, 21209148), (2, 10604574), (3, 7069716), (4, 5302287), (6, 3534858), (9, 2356572), (12, 1767429), (18, 1178286), (27, 785524), (36, 589143), (43, 493236), (54, 392762), (86, 246618), (108, 196381), (129, 164412), (172, 123309), (258, 82206), (387, 54804), (516, 41103), (774, 27402), (1161, 18268), (1548, 13701), (2322, 9134), (4567, 4644)]