21014716809

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1\times {\mathrm{1277}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 28662125184

約数和(自身を除く): 7647408375

約数列:

[1, 3, 73, 163, 219, 461, 489, 1277, 1383, 3831, 11899, 33653, 35697, 75143, 93221, 100959, 208151, 225429, 279663, 588697, 624453, 1766091, 5485439, 15195023, 16456317, 42974881, 45585069, 95957611, 128924643, 287872833, 7004905603, 21014716809]

約数ペア:

[(1, 21014716809), (3, 7004905603), (73, 287872833), (163, 128924643), (219, 95957611), (461, 45585069), (489, 42974881), (1277, 16456317), (1383, 15195023), (3831, 5485439), (11899, 1766091), (33653, 624453), (35697, 588697), (75143, 279663), (93221, 225429), (100959, 208151)]