21425292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85021}}^1$

素因数の和:85038

約数の個数: 36

約数和(自身を含む): 61896016

約数和(自身を除く): 40470724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85021, 170042, 255063, 340084, 510126, 595147, 765189, 1020252, 1190294, 1530378, 1785441, 2380588, 3060756, 3570882, 5356323, 7141764, 10712646, 21425292]

約数ペア:

[(1, 21425292), (2, 10712646), (3, 7141764), (4, 5356323), (6, 3570882), (7, 3060756), (9, 2380588), (12, 1785441), (14, 1530378), (18, 1190294), (21, 1020252), (28, 765189), (36, 595147), (42, 510126), (63, 340084), (84, 255063), (126, 170042), (252, 85021)]