21742614

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 28645866

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 71, 106, 107, 142, 159, 213, 214, 318, 321, 426, 477, 639, 642, 954, 963, 1278, 1431, 1917, 1926, 2862, 2889, 3763, 3834, 5671, 5778, 7526, 7597, 11289, 11342, 15194, 17013, 22578, 22791, 33867, 34026, 45582, 51039, 67734, 68373, 101601, 102078, 136746, 153117, 203202, 205119, 306234, 402641, 410238, 805282, 1207923, 2415846, 3623769, 7247538, 10871307, 21742614]

約数ペア:

[(1, 21742614), (2, 10871307), (3, 7247538), (6, 3623769), (9, 2415846), (18, 1207923), (27, 805282), (53, 410238), (54, 402641), (71, 306234), (106, 205119), (107, 203202), (142, 153117), (159, 136746), (213, 102078), (214, 101601), (318, 68373), (321, 67734), (426, 51039), (477, 45582), (639, 34026), (642, 33867), (954, 22791), (963, 22578), (1278, 17013), (1431, 15194), (1917, 11342), (1926, 11289), (2862, 7597), (2889, 7526), (3763, 5778), (3834, 5671)]