21485268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85259}}^1$

素因数の和:85276

約数の個数: 36

約数和(自身を含む): 62069280

約数和(自身を除く): 40584012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85259, 170518, 255777, 341036, 511554, 596813, 767331, 1023108, 1193626, 1534662, 1790439, 2387252, 3069324, 3580878, 5371317, 7161756, 10742634, 21485268]

約数ペア:

[(1, 21485268), (2, 10742634), (3, 7161756), (4, 5371317), (6, 3580878), (7, 3069324), (9, 2387252), (12, 1790439), (14, 1534662), (18, 1193626), (21, 1023108), (28, 767331), (36, 596813), (42, 511554), (63, 341036), (84, 255777), (126, 170518), (252, 85259)]