21531492

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2207}}^1$

素因数の和:2488

約数の個数: 36

約数和(自身を含む): 54652416

約数和(自身を除く): 33120924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 1084, 1626, 2207, 2439, 3252, 4414, 4878, 6621, 8828, 9756, 13242, 19863, 26484, 39726, 79452, 598097, 1196194, 1794291, 2392388, 3588582, 5382873, 7177164, 10765746, 21531492]

約数ペア:

[(1, 21531492), (2, 10765746), (3, 7177164), (4, 5382873), (6, 3588582), (9, 2392388), (12, 1794291), (18, 1196194), (36, 598097), (271, 79452), (542, 39726), (813, 26484), (1084, 19863), (1626, 13242), (2207, 9756), (2439, 8828), (3252, 6621), (4414, 4878)]