21175546

素因数分解:

$2^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1438

約数の個数: 24

約数和(自身を含む): 37192500

約数和(自身を除く): 16016954

約数列:

[1, 2, 7, 14, 49, 98, 173, 346, 1211, 1249, 2422, 2498, 8477, 8743, 16954, 17486, 61201, 122402, 216077, 432154, 1512539, 3025078, 10587773, 21175546]

約数ペア:

[(1, 21175546), (2, 10587773), (7, 3025078), (14, 1512539), (49, 432154), (98, 216077), (173, 122402), (346, 61201), (1211, 17486), (1249, 16954), (2422, 8743), (2498, 8477)]