21137694

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 45152640

約数和(自身を除く): 24014946

約数列:

[1, 2, 3, 6, 29, 58, 59, 71, 87, 118, 142, 174, 177, 213, 354, 426, 841, 1682, 1711, 2059, 2523, 3422, 4118, 4189, 5046, 5133, 6177, 8378, 10266, 12354, 12567, 25134, 49619, 59711, 99238, 119422, 121481, 148857, 179133, 242962, 297714, 358266, 364443, 728886, 3522949, 7045898, 10568847, 21137694]

約数ペア:

[(1, 21137694), (2, 10568847), (3, 7045898), (6, 3522949), (29, 728886), (58, 364443), (59, 358266), (71, 297714), (87, 242962), (118, 179133), (142, 148857), (174, 121481), (177, 119422), (213, 99238), (354, 59711), (426, 49619), (841, 25134), (1682, 12567), (1711, 12354), (2059, 10266), (2523, 8378), (3422, 6177), (4118, 5133), (4189, 5046)]