21220006210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{298411}}^1$

素因数の和:298978

約数の個数: 32

約数和(自身を含む): 41209503552

約数和(自身を除く): 19989497342

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 547, 1094, 2735, 5470, 7111, 14222, 35555, 71110, 298411, 596822, 1492055, 2984110, 3879343, 7758686, 19396715, 38793430, 163230817, 326461634, 816154085, 1632308170, 2122000621, 4244001242, 10610003105, 21220006210]

約数ペア:

[(1, 21220006210), (2, 10610003105), (5, 4244001242), (10, 2122000621), (13, 1632308170), (26, 816154085), (65, 326461634), (130, 163230817), (547, 38793430), (1094, 19396715), (2735, 7758686), (5470, 3879343), (7111, 2984110), (14222, 1492055), (35555, 596822), (71110, 298411)]