21141370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5407}}^1$

素因数の和:5454

約数の個数: 32

約数和(自身を含む): 42052608

約数和(自身を除く): 20911238

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5407, 10814, 27035, 54070, 91919, 124361, 183838, 248722, 459595, 621805, 919190, 1243610, 2114137, 4228274, 10570685, 21141370]

約数ペア:

[(1, 21141370), (2, 10570685), (5, 4228274), (10, 2114137), (17, 1243610), (23, 919190), (34, 621805), (46, 459595), (85, 248722), (115, 183838), (170, 124361), (230, 91919), (391, 54070), (782, 27035), (1955, 10814), (3910, 5407)]