21901670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10789}}^1$

素因数の和:10832

約数の個数: 32

約数和(自身を含む): 46612800

約数和(自身を除く): 24711130

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10789, 21578, 53945, 75523, 107890, 151046, 312881, 377615, 625762, 755230, 1564405, 2190167, 3128810, 4380334, 10950835, 21901670]

約数ペア:

[(1, 21901670), (2, 10950835), (5, 4380334), (7, 3128810), (10, 2190167), (14, 1564405), (29, 755230), (35, 625762), (58, 377615), (70, 312881), (145, 151046), (203, 107890), (290, 75523), (406, 53945), (1015, 21578), (2030, 10789)]