21073242

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 25928358

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 67, 89, 93, 114, 134, 178, 186, 201, 267, 402, 534, 589, 1178, 1273, 1691, 1767, 2077, 2546, 2759, 3382, 3534, 3819, 4154, 5073, 5518, 5963, 6231, 7638, 8277, 10146, 11926, 12462, 16554, 17889, 35778, 39463, 52421, 78926, 104842, 113297, 118389, 157263, 184853, 226594, 236778, 314526, 339891, 369706, 554559, 679782, 1109118, 3512207, 7024414, 10536621, 21073242]

約数ペア:

[(1, 21073242), (2, 10536621), (3, 7024414), (6, 3512207), (19, 1109118), (31, 679782), (38, 554559), (57, 369706), (62, 339891), (67, 314526), (89, 236778), (93, 226594), (114, 184853), (134, 157263), (178, 118389), (186, 113297), (201, 104842), (267, 78926), (402, 52421), (534, 39463), (589, 35778), (1178, 17889), (1273, 16554), (1691, 12462), (1767, 11926), (2077, 10146), (2546, 8277), (2759, 7638), (3382, 6231), (3534, 5963), (3819, 5518), (4154, 5073)]