21753754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 15405158

約数列:

[1, 2, 11, 22, 31, 62, 167, 191, 334, 341, 382, 682, 1837, 2101, 3674, 4202, 5177, 5921, 10354, 11842, 31897, 56947, 63794, 65131, 113894, 130262, 350867, 701734, 988807, 1977614, 10876877, 21753754]

約数ペア:

[(1, 21753754), (2, 10876877), (11, 1977614), (22, 988807), (31, 701734), (62, 350867), (167, 130262), (191, 113894), (334, 65131), (341, 63794), (382, 56947), (682, 31897), (1837, 11842), (2101, 10354), (3674, 5921), (4202, 5177)]