21695508725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{283}}^1\times {\mathrm{25343}}^1$

素因数の和:25658

約数の個数: 36

約数和(自身を含む): 29676100608

約数和(自身を除く): 7980591883

約数列:

[1, 5, 11, 25, 55, 121, 275, 283, 605, 1415, 3025, 3113, 7075, 15565, 25343, 34243, 77825, 126715, 171215, 278773, 633575, 856075, 1393865, 3066503, 6969325, 7172069, 15332515, 35860345, 76662575, 78892759, 179301725, 394463795, 867820349, 1972318975, 4339101745, 21695508725]

約数ペア:

[(1, 21695508725), (5, 4339101745), (11, 1972318975), (25, 867820349), (55, 394463795), (121, 179301725), (275, 78892759), (283, 76662575), (605, 35860345), (1415, 15332515), (3025, 7172069), (3113, 6969325), (7075, 3066503), (15565, 1393865), (25343, 856075), (34243, 633575), (77825, 278773), (126715, 171215)]