21202356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252409}}^1$

素因数の和:252423

約数の個数: 24

約数和(自身を含む): 56539840

約数和(自身を除く): 35337484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252409, 504818, 757227, 1009636, 1514454, 1766863, 3028908, 3533726, 5300589, 7067452, 10601178, 21202356]

約数ペア:

[(1, 21202356), (2, 10601178), (3, 7067452), (4, 5300589), (6, 3533726), (7, 3028908), (12, 1766863), (14, 1514454), (21, 1009636), (28, 757227), (42, 504818), (84, 252409)]