21823545

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 36070272

約数和(自身を除く): 14246727

約数列:

[1, 3, 5, 15, 53, 97, 159, 265, 283, 291, 485, 795, 849, 1415, 1455, 4245, 5141, 14999, 15423, 25705, 27451, 44997, 74995, 77115, 82353, 137255, 224985, 411765, 1454903, 4364709, 7274515, 21823545]

約数ペア:

[(1, 21823545), (3, 7274515), (5, 4364709), (15, 1454903), (53, 411765), (97, 224985), (159, 137255), (265, 82353), (283, 77115), (291, 74995), (485, 44997), (795, 27451), (849, 25705), (1415, 15423), (1455, 14999), (4245, 5141)]