21000815450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14483321}}^1$

素因数の和:14483362

約数の個数: 24

約数和(自身を含む): 40408468380

約数和(自身を除く): 19407652930

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14483321, 28966642, 72416605, 144833210, 362083025, 420016309, 724166050, 840032618, 2100081545, 4200163090, 10500407725, 21000815450]

約数ペア:

[(1, 21000815450), (2, 10500407725), (5, 4200163090), (10, 2100081545), (25, 840032618), (29, 724166050), (50, 420016309), (58, 362083025), (145, 144833210), (290, 72416605), (725, 28966642), (1450, 14483321)]